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Mr. Suresh after spending 10% of his monthly salary in buying Mobile and 20% of the monthly salary for health, invested 30% of the remaining amount in Mutual Funds. If he was left with Rs. 19061, how much is his monthly salary?

Correct

Answer – 1) 38900
Explanation:
Let the monthly salary be Rs X
X * 70/100* 70/100 = 19061
X = 38900

Incorrect

Answer – 1) 38900
Explanation:
Let the monthly salary be Rs X
X * 70/100* 70/100 = 19061
X = 38900

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

In a city, 30% of the citizens belong to upper economic class. The number of citizens who belong to middle economic class are 3/2 of the number of citizens who belong to lower economic class. If 6860 citizens belong to the lower economic class, what is the population of the city?

Correct

Answer – 2) 24500
Explanation:
citizens belong to lower economic class = 6860
citizens belong to middle economic class = 30/2 * 6860 = 10290
Let the population of city be x
(30x/100) + 10290 + 6860 = x
x = 24500

Incorrect

Answer – 2) 24500
Explanation:
citizens belong to lower economic class = 6860
citizens belong to middle economic class = 30/2 * 6860 = 10290
Let the population of city be x
(30x/100) + 10290 + 6860 = x
x = 24500

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

Ajay started a company and Bala & Chitra joined him later during first year. The respective ratio of their investments was 4:2:3 and the period for which they invested was in the ratio 2:3:1. At the start of the second year Ajay increased his investment by 50% while Bala & Chitra retained the same and also for the same number of months as in the first year. If the total profit at the end of 2 years was Rs 51300 what was Chitra’s share in the total profit?

Correct

Answer – 4) 8100
Explanation:
Ratio of their investment for 2 years
Ajay:Bharat:Chitra = (4*2+6*2) : (2*3+2*3) : (3*1+3*1) = 10:6:3
Chitra’s share in the total profit = (51300 * 3)/(10+6+3) = 8100

Incorrect

Answer – 4) 8100
Explanation:
Ratio of their investment for 2 years
Ajay:Bharat:Chitra = (4*2+6*2) : (2*3+2*3) : (3*1+3*1) = 10:6:3
Chitra’s share in the total profit = (51300 * 3)/(10+6+3) = 8100

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

Suresh invests a certain sum at CI at 10% per annum for 2 years. He also invest 1/3 rd less amount at SI at 10.5% per annum. What should be the period of his investment at SI so that the CI earned is only 75% of the SI earned?

Correct

Answer – 2) 4 years
Explanation:
Let the investment at C.I be Rs X
Investment at SI = 2/3 X
CI = 21X/100
SI = 7XT/100
21X/100 = 75/100 * (7XT)/100
T = 4 years

Incorrect

Answer – 2) 4 years
Explanation:
Let the investment at C.I be Rs X
Investment at SI = 2/3 X
CI = 21X/100
SI = 7XT/100
21X/100 = 75/100 * (7XT)/100
T = 4 years

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

Bala is eighteen years older than Ajay. The respective ratio of Bala’s age six years hence & Chitra’s present age is 3:2. If the present age of Chitra is twice the age of Ajay, what was Bala’s age four years ago?

Correct

Answer – 4) 26
Explanation:
Ajay’s present age = x years
Bala’s present age = (x+18) years
Chitra’s present age = 2x years
(x+18+6)/2x = 3/2
x = 12
So Bala’s present age = 30
Bala’s age 4 years ago = 26 years

Incorrect

Answer – 4) 26
Explanation:
Ajay’s present age = x years
Bala’s present age = (x+18) years
Chitra’s present age = 2x years
(x+18+6)/2x = 3/2
x = 12
So Bala’s present age = 30
Bala’s age 4 years ago = 26 years

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