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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

Sachin 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 50% of the SI earned?

Correct

Answer – 4) 6 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 = 50/100 * (7XT)/100
T = 6 years
Answer – 4) 6 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 = 50/100 * (7XT)/100
T = 6 years

Incorrect

Answer – 4) 6 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 = 50/100 * (7XT)/100
T = 6 years
Answer – 4) 6 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 = 50/100 * (7XT)/100
T = 6 years

Question 2 of 10

2. Question

1 points

Category: Quantitative Aptitude

Banu is eighteen years older than Arun. The respective ratio of Banu’s age six years hence & Vivek’s present age is 3:2. If the present age of Vivek is twice the age of Arun, what was Banu’s age two years ago?

Correct

Answer – 3) 28 years
Explanation:
Arun’s present age = x years
Banu’s present age = (x+18) years
Vivek’s present age = 2x years
(x+18+6)/2x = 3/2
x = 12
So Banu’s present age = 30
Banu’s age 2 years ago = 28 years

Incorrect

Answer – 3) 28 years
Explanation:
Arun’s present age = x years
Banu’s present age = (x+18) years
Vivek’s present age = 2x years
(x+18+6)/2x = 3/2
x = 12
So Banu’s present age = 30
Banu’s age 2 years ago = 28 years

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

The base of a parallelogram is twice its height. If the area of the parallelogram is 338 sq.cm. Find its height?

Correct

Answer – 1) 13 cm
Explanation:
Let height =x Then, base =2x
2x * x = 338
=>x=13

Incorrect

Answer – 1) 13 cm
Explanation:
Let height =x Then, base =2x
2x * x = 338
=>x=13

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

One year ago the ratio between Mahendra’s and Shyam’s salary was 3 : 4. The ratios of their individual salaries between last year’s and this year’s salaries are 4 : 5 and 2 : 3 respectively. At present the total of their salary is Rs. 4160. The salary of Mahindra, now is?

Correct

Answer – 1) Rs. 1600
Explanation:
Let the salaries of Mahendra and Shyam one year before be M1, S1 & now be M2, S2 respectively.
M1/S1 = 3/4 …..(1)
M1/M2 = 4/5 …..(2)
S1/S2 = 2/3 …..(3)
M2 + S2 = 4160 …..(4)
Solving (1), (2), (3) and (4)
M2 = Rs. 1600; S2 = 2560

Incorrect

Answer – 1) Rs. 1600
Explanation:
Let the salaries of Mahendra and Shyam one year before be M1, S1 & now be M2, S2 respectively.
M1/S1 = 3/4 …..(1)
M1/M2 = 4/5 …..(2)
S1/S2 = 2/3 …..(3)
M2 + S2 = 4160 …..(4)
Solving (1), (2), (3) and (4)
M2 = Rs. 1600; S2 = 2560

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

Ravi has to give Rs. 4920 to Sundar at 5% SI per annum, six months later Ganesh has to give the same amount to Sundar at 7.5% SI per annum after certain months. If both took same amount of loan from Sundar then Ganesh paid loan after how many months?

Five years ago, Amit’s age was three times that of Bala. Ten years ago, Amit’s age was half that of Chand. Chand’s present age is 36 years and the present age of David is 70 years. Quantity I: Difference between the Bala’s present age and David’s Present age Quantity II: Sum of the Chand’s present age and Amit’s present age

Correct

Answer – 5) Quantity I = Quantity II or No relation can be established
Explanation:
I. Bala’s present age = (23-5)/3 + 5 = 11
Difference between Bala’s present age and David’s Present age = 70 – 11 = 59
II. Amit’s present age = (36-10)/2 + 10 = 23
Sum of Chand’s age & Amit’s age =36+23=59

Incorrect

Answer – 5) Quantity I = Quantity II or No relation can be established
Explanation:
I. Bala’s present age = (23-5)/3 + 5 = 11
Difference between Bala’s present age and David’s Present age = 70 – 11 = 59
II. Amit’s present age = (36-10)/2 + 10 = 23
Sum of Chand’s age & Amit’s age =36+23=59

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

What was the percentage of discount given on the marked price(MP) of the LED TV?
I) The cost price of the LED TV was Rs 18000
II) 15% profit was earned by selling LED TV for Rs 14950. Had there been no discount, the profit percentage would have been 30%

Correct

Answer – 2) If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question
Explanation:
From II: The selling price is Rs 14950 at 15% profit
So CP= (14950 *100)/115= Rs 13000
When no discount is allowed the profit becomes 30%
MP= 13000 * 130/100 = Rs 16900
% discount ={ (16900-14950)*100}/16900
Hence only II is sufficient to answer the question

Incorrect

Answer – 2) If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question
Explanation:
From II: The selling price is Rs 14950 at 15% profit
So CP= (14950 *100)/115= Rs 13000
When no discount is allowed the profit becomes 30%
MP= 13000 * 130/100 = Rs 16900
% discount ={ (16900-14950)*100}/16900
Hence only II is sufficient to answer the question