Thursday, December 7, 2017

Quant Quiz

Q1)-What is the largest 4 digit number exactly divisible by 88.
9900
9999
9988
9944
Ans.- D


Q2)-0.7683 + 0.369 + 0.05 + 0.8 = ?
1.9873
0.9873
1.8873
1.9872
Ans.- A


Q3)-A library has an average of 510 visitors on Sundays and 240 on other day. The average number of visitors in a month of 30 days starting with sunday is
280
285
290
295
Ans.- B
As the month begin with sunday, so there will be five sundays in the month. So result will be:
(510 x 5 + 240 x 25)/30 = 285


Q4)-Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.
17
15
8
3
Ans.- D
If the number is x,
Then, x + 17 = 60/x
x2 + 17x - 60 = 0
(x + 20)(x - 3) = 0
x = 3, -20, so x = 3 (as 3 is positive)


Q5)-The sum of the ages of a father and son is 45 years. Five years ago, the product of their ages was four times the fathers age at that time. The present age of father and son
34,11
35,10
36,9
40,5
Ans.- C
Let sons age = x years. Then fathers age = (45 - x)years.
(x—5)(45—x—5) = 4(45- x - 5) hence (x—5) = 4 so x = 9
Their ages are 36 years and 9 years.


Q6)-Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are
42,30
42,31
42,32
42,33
Ans.- D
Let their marks be (x+9) and x.
Then, x+9 = 56/100(x + 9 +x)
=> 25(x+9)
=> 14 (2x + 9)
=> 3x = 99
=> x = 33.
So, their marks are 42 and 33


Q7)-A number when divided by 44, gives 432 as quotient and 0 as remainder. What will be the remainder when dividing the same number by 31
5
3
4
6
Ans.- A
P ÷ 44 = 432
=> P = 432 * 44 = 19008
P / 31 = 19008 / 31 = 613, remainder = 5


Q8)-A fruit seller sells mangoes at the rate of Rs.9 per kg and thereby loses 20%. At what price per kg, he should have sold them to make a profit of 5%
Rs 8.81
Rs 9.81
Rs 10.81
Rs 11.81
Ans.- D
85 : 9 = 105 : x
x= (9×105/85)
= Rs 11.81


Q9)-A and B started a partnership business investing some amount in the ratio of 3 : 5. C joined them after six months with an amount equal to that of B. In what proportion should the profit at the end of one year be distributed amount A, B and C
3:7:5
6:10:5
6:10:7
6:7:5
Ans.- B
Let initial investment of A is 3x and B is 5x, then C investment is also 5x, but most important to note in this question is the time duration of investment Like, A invested for 12 months, B invested for 12 months and C invested for 6 months.
A:B:C =(3x*12):(5x*12):(5x*6)
= 36:60:30
= 6:10:5


Q10)-Average of five numbers is 27. If one number is excluded the average becomes 25. The excluded number is
35
45
55
65
Ans.- A


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