Q. A class has two sections in one of which there are 40 students with an average age of 14. 5 years. The average of the class is 14. 2 years. If there be 32 students in the other section, its average age is
1) 13. 5 years
2) 13. 6 years
3) 13. 7 years
4) None of these
Q. The average weight of Renu, Manju and Mamooty is 45 kg. If the average weight of Renu and Manju be 40 kg and that of Manju and Mamooty be 43 kg, then the weight of Manju is
1) 31 kg
2) 41 kg
3) 51 kg
4) 21 kg
Q. Three hikers A, B and C start on a trip with Rs. 50 each and agree to share the expenses equally. If at the end of the trip A has Rs. 20 left with him, B Rs. 30 and C Rs. 40, how must they settle their accounts?
1) B must pay A Rs. 10
2) C must pay A Rs. 20 (c)
3) C must pay A Rs. 20 and B Rs. 10
4) None of These
Q. A certain factory employed 600 men and 400 women with the average wage was Rs. 2. 55 per day. If a woman got 50 paise less than a man, what were their daily wages?
1) Man Rs. 2. 75, woman Rs. 2. 25
2) Man Rs. 3. 25, wom an Rs. 2. 75
3) Man Rs. 3. 00, woman Rs. 2.5
4) Man Rs. 2. 50 woman Rs. 2. 00
Q. The average rainfall on the 23rd, 24th, 25th, 26th and 27th of April, 1996 was 12 cm. The average rainfall was 14 cm on 24th, 25th 26th 27th and 28th of April, 1996. If the rainfall on 28th April, 1996 was 20 cm, the same on 23rd April, 1996 was
1) 30 cm
2) 10 cm
3) 6 cm
4) data inadequate
Q. 12 buckets of water fill a tank when the capacity of each bucket is 13. 5 litres. How many backets will be needed to fill the same tank if the capacity of each bucket is 9 litres?
1) 15
2) 14
3) 18
4) 8
Q. Two years ago a man was six times as old as his son. In 18 years he will be twice as old as his son. Their pres ent ages are
1) 32 years, 7 years
2) 34 years, 9 years
3) 36 years, 11 years
4) 38 years, 13 years
Q. In three numers, the first is 2 times the second and the second is 3 times the third. If average of the three is 10, then the numbers are
1) 18, 3, 9
2) 9, 3, 18
3) 3, 9, 18
4) 18, 9, 3
Q. Eight years ago the age of A was twice the age of B and the ratio of their ages is 6:5. What is the difference of their ages?
1) 1 years
2) 4 years
3) 2 years
4) 3 years
Q. 10 years ago Garima's mother was 4 times older than her daughter. After 10 years, the mother will be twice older than the daughter. The present age of Garima is
1) 10 years
2) 30 years
3) 20 years
4) 15 years
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