Please check as they were done in my head in about a minute each. Could be wrong!!!
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#477. What is the value of the expression
#478. What is the value of the expression
#479.Which of the following is the smallest number by which 45,000 must be multiplied to make it a perfect square?
(1) 1.8 (2) 2.0 (3) 2.5 (4) 1.5
#480. What is the next number in the given sequence?
7, 10, 15, 24, ____
(1) 39 (2) 45 (3) 41 (4) 60
#468. By selling an article for $240, a trader loses 4%. What price must he sell the article to gain 10%?
(1) $273.50 (2) $264 (3) $275 (4) $280
#469. A work can be completed in 18 days by 10 men and 6 boys. The men work 9 hours a day and the boys work 7½ hours per day and 3 boys do as much work in an hour as 2 men. Find how many days it would take to complete the work if 10 men and 9 boys are employed?
(1) 12 days (2) 16 days (3) 18 days (4) 20 days
#470. 6 horses are worth 9 camels. 27 camels are worth 30 bicycles and 300 bicycles are worth 9 motor cars. If 3 motor cars are worth $72,000, what is the worth of a horse?
(1) $1,200 (2) $1,600 (3) $1,800 (4) $2,000
#471. 24 men working at 8 hours a day can finish a work in 10 days. How many men would be required to finish the same work working 10 hours a day for 6 days?
(1) 30 (2) 32 (3) 34 (4) 36
#472. Two trains whose lengths are 180 meters and 220 meters are running in the same direction with speeds of 40 km/hour and 50 km/hour. What would be the time taken for the second train to cross the first train completely?
(1) 100 seconds (2) 90 seconds (3) 108 seconds (4) None of these.
#473. Two-third of a consignment was sold at a profit of 5% and the remaining at a loss of 2%. If the total profit was $400, what was the value of the consignment?
(1) $20,000 (2) $15,000 (3) $12,000 (4) $10,000
#474. On simplification, what is the value of the following
#475. Rahim and Sohail live in the same house and work in the same place. Rahim takes 20 minutes and Sohail takes 30 minutes to reach workplace. Sohail starts 5 minutes earlier than Rahim from the house. How many minutes would Rahim take to meet Sohail?
(1) 5 minutes (2) 10 minutes (3) 12 minutes (4) 15 minutes
#463. Find the sum of the first 24 terms of a series of numbers whose n[sup]th[/sup]
number is given by t[sub]n[/sub] = 3 + 2n.
(1) 652 (2) 662 (3) 672 (4) 682
#464. What is the sum of the first 15 multiples of 8?
(1) 940 (2) 950 (3) 955 (4) 960
#465. Find the sum to 20 terms of the series
1 + (1 + 3) + (1 + 3 + 5) + (1 + 3 + 5 + 7) + .......................
(1) 2880 (2) 2870 (3) 2800 (4) 3000
#466. Find the sum of the series -3 + 3 + 9 + 15 + ................ 20 terms.
(1) 1020 (2) 1040 (3) 1050 (4) 1080
#458.
#459.
#460.
#461.
#453. Three times the first of three consecutive integers is 3 more than twice the third. What is the third integer?
(1) 9 (2) 11 (3) 13 (4) 15
#454. The sum of four consecutive even integers is 1284. Which is the greatest among them?
(1) 320 (2) 322 (3) 324 (4) 326
#455. The sum of three consecutive odd numbers is 20 more than first of the three numbers. What is the middle number?
(1) 7 (2) 9 (3) 11 (4) None of these
#456. The sum of three consecutive multiples of 3 is 72. What is the largest number?
(1) 21 (2) 24 (3) 27 (4) 36
#447. The length and breadth of a rectangle are in the ratio 3:2 respectively. If the sides of the rectangle are increased by 1 meter on each side, the ratio of the length to the breadth becomes 10:7. Find the area of the original rectangle in square meters.
(1) 256
(2) 150
(3) 280
(4) None of these
#448. Simon invested an amount of $16,000 for two years at compound interest compounded annually and received an amount of $17,640 on maturity. What is the rate of interest per annum?
(1) 8% (2) 5% (3) 4% (4) None of these
#449. 25 men and 15 women can complete a work in 12 days. All of them start working together and after working for 8 days, the women stopped working. The 25 men completed the work in 6 more days. How many days would it take for 15 women alone to do the job?
(1) 36 days (2) 18 days (3) 24 days (4) None of these
#450. The weights of two friends Ram and Shyam are in the ratio 4:5. Ram's weight increases by 10% after some years and the total weight of Ram and Shyam together becomes 82.8 kilograms with an increase of 15%. By what percentage did the weight of Shyam increase?
(1) 12.5% (2) 17.5% (3) 19% (4) 21%
#442. Two trains, 130 meters and 110 meters long, are going in the same direction. The faster train takes one minute to pass the other completely. If they are running in opposite directions, they pass each other completely in 3 seconds. What are the speeds of the trains?
(1) 42 m/s and 38 m/s
(2) 38 m/s and 24 m/s
(3) 42 m/s and 24 m/s
(4) None of these.
#443. A train consists of 12 bogies, each bogie being 15 meters long. The train crosses a telegraph post in 18 seconds. If two of the train's bogies are detached, in how many seconds would the train cross a telegraph post?
(1) 15 seconds
(2) 12 seconds
(3) 18 seconds
(4) 20 seconds
#444. X and Y entered into a partnership investing $700 and $600 respectively. Aftert 3 months, X withdrew 2/7 of his investment but after 3 months, he reinvested 3/5 of what he had withdrawn. The profit at the end of the year is $726. If the profit is shared according to investment, how much of the profit is X's share?
(1) $633
(2) $366
(3) $336
(4) $663
#445. Brendon alone takes 8 hours more to complete a work than the time taken by Brendon and William to complete the work together. If William worked alone, he would take 4½ hours more to complete the job than the time taken by Brendon and William working together. What would be the time taken by Brendon and William working together to complete the work?
(1) 5 hours
(2) 4 hours
(3) 3 hours
(4) 6 hours.
#437. What is the Greatest Common Divisor of 204, 1190, and 1445?
(1) 17 (2) 18 (3) 19 (4) 21
#438. The Greatest Common Divisor of two numbers is 11 and their Least Common Multiple is 7700. If one of the numbers is 275, find the other.
(1) 279 (2) 283 (3) 308 (4) 318
#439. Find the greatest number that would divide 43, 91, and 183 leaving the same remainder in each case is:
(1) 4 (2) 7 (3) 9 (4) 13
#440. A, B, and C start at the same time in the same direction running around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time would they meet again at the starting point?
(1) 26 minutes 18 seconds
(2) 42 minutes 36 seconds
(3) 45 minutes
(4) 46 minutes 12 seconds