# SSC Cgl Quant Quiz-52

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Q.1) The average weight of a class of 29 students is 40 kg. If the weight of the teacher be included, the average rises by 500 gm. What is the weight of the teacher?

(a) 40.5 kg

(b) 50.5 kg

(c) 45 kg

(d) 55 kg

Q.2) The average of 3 numbers is 17 and that of the first two is 16. Find the third number.
(a) 15
(b) 16
(c) 17
(d) 19

Q.3) The average weight of 19 men in a ship is increased by 3.5 kg when one of the men, who weighs
79 kg, is replaced by a new man. Find the weight of the new man upto 2 decimal places
(a) 105.75
(b) 107.55
(c) 145.50
(d) 140.50

Q.4) The age of Shaurya and Kauravki is in the ratio 2 : 6. After 5 years, the ratio of their ages will
become 6 : 8. Find the average of their ages after 10 years.
(a) 12
(b) 13
(c) 17
(d) 24

Q.5) Find the average of the first 97 natural numbers.
(a) 47
(b) 37
(c) 48
(d) 49

Q.6) Find the average of all prime numbers between 30 and 50.
(a) 39.8
(b) 38.8
(c) 37.8
(d) 41.8

Q.7) If we take four numbers, the average of the first three is 16 and that of the last three is 15. If the
last number is 18, the first number is
(a) 20
(b) 21
(c) 23
(d) 25

Q.8) The average of 5 consecutive numbers is n. If the next two numbers are also included, the average
will.
(a) increase by 1
(b) remain the same
(c) increase by 1.4
(d) increase by 2

Q.9) The average of 50 numbers is 38. If two numbers, namely, 45 and 55 are discarded, the average of
the remaining numbers is
(a) 36.5
(b) 37
(c) 37.6
(d) 37.5

Q.10) The average of ten numbers is 7. If each number is multiplied by 12, then the average of the new
set of numbers is
(a) 7
(b) 19
(c) 82
(d) 84

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