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Question 1
The sum of ages of a father, a mother, a son Sonu and daughters Savita and Sonia is 96 years. Sonu is the youngest member of the family. The year Sonu was born, the sum of the ages of all the members of the family was 66 years. If the father’s age now is 6 times that of Sonu’s present age, then 12 years hence, the father’s age will be
Question 2
The average age of eleven players of a cricket team decreases by 2 months when two new players are included in the team replacing two players of age 20 years and 17 years. The average age of 2 new players is how much?
Question 3
Manishanker and Hariharan started a business investing amounts in the ratio of 2 : 3 respectively. If Manishanker had invested an additional amount of Rs. 10000, the ratio of Manishanker's investment to Hariharan's investment would have been 3 : 2. What was the amount invested by Manishanker initially?
Question 4
Socks that cost 7.00 per pair were sold at a loss of 25%. What was the selling price?
Question 5
A cyclist covers his first 20 km at an average speed of 40 kmph, another 10 km at an average speed of 10 kmph and the last 30 km at an average speed of 40 kmph. Then the average speed of the entire journey is
Question 6
Two pipes X and Y can fill a tank in 36 min and 45 min, respectively. A waste pipe Z can empty the tank in 30 min. First X and Y are opened. After 7 min, Z is also opened. In how much time, the tank is full?
Question 7
The product of two numbers is 2160 and their H.C.F. is 12. The number of such possible pairs is:
Question 8
A man and a woman can do a piece of work in 60 days. A woman and a child can do the same piece of work in 120 days. If the man and the child work together they take 90 days to do the same work. What fraction of the work will be finished in 3 days if the man, woman and the child will work together?
Question 9
A train starts from a place A at 6 a.m. and arrives at another place B at 4.30 p.m. on the same day. If the speed of the train is 40 km per hour, find the distance travelled by the train?
Question 10
A fruit-seller buys lemons at 2 for a rupee and sells them at 5 for three rupees. What is his gain percent?
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Apr 30CDS & Defence
