Page 32 - GMAT 2017b_Neatb

Quantitative Reasoning Test 3

12. Of the three numbers the first is twice the second and the 19. The average of two numbers is 62. If 2 is added to the
second is thrice the third. If the average of the three smaller number, the ratio between the numbers
numbers is 10, the numbers are becomes 1 : 2. The smaller number is
(A) 18, 3, 9 (A) 60
(B) 9, 3, 18 (B) 30
( C) 3, 9, 18 ( C) 84
(D) 18, 9, 3 (D) 40

13. The average weight of 36 students is 50 kg. It was found 20. In a coconut grove, (x + 2) trees yield 60 nuts per year,
later that the figure of 37 kg was misread as 73 kg. What x trees yield 120 nuts and (x - 2) trees yield 180 nuts
is the correct average? per year. If the average yield per year per tree be 100,
(A) 49 kg find x
(B) 51 kg (A) 4
( C) 50.5 kg (B) 2
(D) None of these ( C) 8
(D) 6
14. The average earning of a mechanic for the first four
days of a week is N18 and for the last four days is N22. 21. Average temperature of first 4 days of a week is
If he earns N20 on the fourth day, his average earning 38.6 C and that of the last 4 days is 40.3 C. If the
o
o
for the while week is o
(A) N18.95 average temperature of the week be 39.1 C, the
(B) N16 temperature on 4th day is
o
( C) N20 (A) 36.7 C
(D) N25.71 o
(B) 38.6 C
o
15. The average of marks obtained by 120 candidates was ( C) 39.8 C
35. If the average of marks of passed candidates was 39 (D) 41.9 C
o
and that of failed candidates was 15, the number of
candidates who passed examination is 22. The average daily wages of A, B and C is N120. If B
(A) 100 earns N40 more than C per day and A earns double of
(B) 110
what C earns per day, the wage of A per day is
( C) 120
(A) N80
(D) 150
(B) N120
( C) N160
16. In a class, there are 20 boys whose average age is (D) N100
decreased by 2 months, when one boy aged 18 years is
replaced by a new boy. The age of the new boy is 23. A man I know fell in love with a woman who lived 63
(A) 14 years 8 months miles away. He decided to propose his beloved and
(B) 15 years invited her to travel to his place and offered to meet her
( C) 16 years 4 months en route and bring her home. The man is able to cover
(D) 17 years 10 months
4 miles per hour to the woman’s 3 miles per hour. How
far will each have travelled upon meeting?
17. The average temperature from Monday to Thursday is
(A) Man = 27 miles; woman = 36 miles
o o
48 and from Tuesday to Friday is 52 . If the (B) Man = 36 miles; woman = 27 miles
o ( C) Man = 40 miles; woman = 23 miles
temperature on Monday is 42 , what was it on Friday?
(D) Man = 45 miles; woman = 18 miles
o
(A) 52
o
(B) 55 24. The price of branded PC (personal computer) and
( C) 58 o assembled PC is in the ratio 64 : 27. If from now on,
every year price of branded PC goes on decreasing by
o
(D) 51 10 percent and price of assembled PC goes on
increasing by 20 percent, how after many years the
18. A man spends on an average N269.47 for the first 7 price of both will be equal?
months and N281.05 for the next 5 months. Find his (A) 2 years (B) 3 years
monthly salary if he saves N208.46 during the whole ( C) 3 years 1
1
year. 3 (D) 2 years
2
(A) N400 (B) N500
( C) N300 (D) N600
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