The age of Mohan is four times that of his son Ajit. If the sum of their ages is 30 years, Ajit's age is years. 6 7 9 10 Sol: Let Ajit's present age be x. Mohan's present age is 4 times that of his son Ajit = 4x Sum of their ages is 30 years. ⇒ x + 4x = 30 ⇒ 5x = 30 ...

A man's property was distributed among his wife and three sons. If the wife got half.the share and the remaining was distributed equally among his 3 children such that each child gets Rs  50, 000  what was the worth of the property and how much did the wife sol:

A person divides a certain amount among his three sons in the ratio of 3 ∶ 4 ∶ 5. If he had divided this amount in the ratio of 1/3,1/4,1/5, his son, who had got the lowest share earlier, would get Rs.1,188 more. Find the amount. 5,640 6,840 6,768 7,008 Sol: A person divides a ...

The ratio between the speeds of two trains is 5 ∶ 7. If the first train covers 300 km in 3 hours, then the speed (in km/h) of the second train is A.      100 B.      300 C.      140 D.      200 Sol: Let the speed of the first train be 5x and the speed of the second train be 7x.  Speed of the ...

The ratio of cost price and marked price of an article is  2 : 3  and ratio of percentage profit and percentage discount is  3 : 2 .what is the discount percentage? Sol:

A batsman in his 13th inning makes a score of 97 runs, thereby increasing his average score by 5. What is his average score after the 13th inning? 77 67 37 57 Sol: A batsman in his 13th inning makes a score of 97 runs, thereby increasing his average score by 5. Old ...

Find out the wrong number in the series given below : 1, 2, 6, 15, 31, 56, 91 A.      31 B.      15 C.      56 D.      91 Ans: 91 Sol: ∴91 is wrong.

A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in how many days? A.      1/24 Day B.      7/24 days C.      24/7 days D.      4 days Sol: (A+B+C)’s 1 day’s work =  ( 1/24 + 1/6 +1/12) = 7/24  So, A, B and C together ...

A and B can do a job in 12 days and B and C can do it in 16 days. A and B started working, without C. A worked for 5 days and quit. B worked for 7 days and quit. C worked for a total of 13 days and finished the work. In how many days can C do the work alone? A.      12 days B.      24 days ...

Find out the wrong number in the series given below : 396, 462, 572, 427, 671, 264. A. 396 B. 562 C. 572 D. 427 Sol: In each number except 427, the middle digit is the sum of other two digits.