Question 1
Answer
Question 1
The cost of filling a gas tank at a shop is Rs. 800. If the shopkeeper reduces the price by 15%. The number of his customers increases by 30%. By what % did his revenue decrease/increase?
A. 10.5%
B. 10%
C. 8%
D. 12.5%
Answer
Option A – 10.5%
Question 2
Answer
Question 2
What is the value of (a + b + c) ^ 2 : (a^3 + b^3 + c^3) if (ab + bc + ca) = 131, (a^2 + b^2 + c^2) = 138 and abc = 280.
A. 17:43
B. 20:49
C. 18:41
D. 15:43
Answer
Option B – 20:49
Question 3
Answer
Question 3
If 27^(x + 2) = 81^(2x – 6), find the value of 3x-5.
A. 13
B. 19
C. 16
D. 10
Answer
Option A – 13
Question 4
Answer
Question 4
Rahl takes a sum of Rs. 2310 as a loan. He has to repay this in two equal annual installments. If the rate of interest is 20% compounded annually, what percent of the principal amount taken by Rahul is the total interest paid by him.
A. 20%
B. 40.9%
C. 130.9%
D. 30.9%
Answer
Option D – 30.9%
Question 5
Answer
Question 5
If the 9 digit number 807x6y9z8 is divisible by 99, the value of √(x + y + z)
A. 6
B. √5
C. 4
D. 3√3
Answer
Option C – 4
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Question 6
Answer
Question 6
Two numbers are in the ratio of 3:5 . If 3 is added to the first number and 9 is added to the 2nd number, their ratio becomes 4:7. The sum of the original numbers is
A. 120
B. 150
C. 105
D. 135
Answer
Option A – 120
Question 7
Answer
Question 7
What is the mode of the following data?
Class 0-20 20-40 40-60 60-80 80-100
Frequency 13 17 21 5 3
A. 44
B. 42.5
C. 44.2
D. 43
Answer
Option B – 42.5
Question 8
Answer
Question 8
Ankush bought (x+2) apples at the rate of Rs. 12 each. One apple got rotten during transportation and he sold all the remaining apples for Rs. 300. If the percentage profit made by Ankush in the whole transaction is 25%, find the number of apples sold by Ankush.
A. 19
B. 15
C. 10
D. 12
Answer
Option A – 19
Question 9
Answer
Question 9
An article is marked 36% above its cost price. A discount of 10% is offered on the marked price. Later on, the article was sold by giving another discount of Rs.12.60. If there is a profit of 15.4%, the marked price (in Rs.) of the article is:
A. 245
B. 243
C. 220.30
D. 244.80
Answer
Option D – 244.80
Question 10
Answer
Question 10
The savings of surekha are equal to 40% of her expenditure. If her income increases by 20% and the expenditure increases by 40%, her savings decreases by:
a. 20%
b. 30%
c. 31(3/7)%
d. 42(6/7)%
Answer
10% decrease
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