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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

Correct

Answer : 2. -7
Explanation-

Incorrect

Answer : 2. -7
Explanation-

Question 2 of 10

2. Question

1 points

Category: Quantitative Aptitude

6, 9, 18, 54, 189, 756, 3780, ?

Correct

Answer : 5. 20790
Explanation-

Incorrect

Answer : 5. 20790
Explanation-

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

4347, 966, 241.5, 69, 23, ?

Correct

Answer : 1. 9.2
Explanation-

Incorrect

Answer : 1. 9.2
Explanation-

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

A, B and C have invested a sum of Rs. 125000 in a business.B invested Rs.15000 more than A and C invested Rs. 20,000 more than B. If in total they earned Rs. 37450 profit at the end of year, then find their share of profit.

What part of a hemispherical ditch of radius 12m can be filled by the earth dug out in making a cylindrical ditch of radius 6m and height 2m?

Correct

Answer : 3. 1/16
Explanation-

Incorrect

Answer : 3. 1/16
Explanation-

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

The average age of an adult class is 40 years. 12 new students with an average of 32 years join the class, thereby decreasing the average of the class by 4 years. The original strength of the class was?

Correct

Answer : 3.12
Explanation-
Given that the average age of an adult class is 40 years. When 12 new students with an average age of 32 years, join the class, average reduces by 4 years, that is, it becomes 36 years. Let the no. of students in the adult class is “x”.
The sum of the ages of 12 new students is (12 ×32) years
The sum of the ages of students of adult class is (x ×40) years
The sum of the ages of 12 new students and adult class together is [(12+x) ×36] years

Now, (12 ×32) + (x ×40) = [(12+x) ×36]
Or, (40 – 36) x = 12 × (40-36)
Or, 4x = 12 × 4
Or, x = 12 Ans.

Incorrect

Answer : 3.12
Explanation-
Given that the average age of an adult class is 40 years. When 12 new students with an average age of 32 years, join the class, average reduces by 4 years, that is, it becomes 36 years. Let the no. of students in the adult class is “x”.
The sum of the ages of 12 new students is (12 ×32) years
The sum of the ages of students of adult class is (x ×40) years
The sum of the ages of 12 new students and adult class together is [(12+x) ×36] years

Now, (12 ×32) + (x ×40) = [(12+x) ×36]
Or, (40 – 36) x = 12 × (40-36)
Or, 4x = 12 × 4
Or, x = 12 Ans.

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

The letters of the ABOUT are arranged randomly. What is the probability that all vowels are at odd places?

Correct

Answer : 2. 1/10
Explanation-

Incorrect

Answer : 2. 1/10
Explanation-

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

A man lends a certain sum of money at simple interest. Rate of interest for first one and half years is 6%, for next 9 months is 5% and after that 4%. If he received Rs. 11496 at the end of 4 years, his capital was

Correct

Answer : 3. Rs. 9600
Explanation-

Incorrect

Answer : 3. Rs. 9600
Explanation-

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

A jar contains a mixture of two liquids A and B in the ratio 4: 1. When 10 liters of the mixture was taken out and 10 liters of liquid B was poured into the jar, this ratio became 2: 3. The quantity of liquid A contained in the jar initially was

Correct

Answer : 3. 16 liters
Explanation

Incorrect

Answer : 3. 16 liters
Explanation

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

A shopkeeper marks an item 44% above its cost price, leaving aside its transport charges, which is 5% of its selling price. If the shopkeeper sold the item at 25% discount to a customer and still earned Rs.100 on the overall transaction, how much would his profit percent be if it did not offer any discount?

Correct

Answer : 1. 36.63%
Explanation-
Let the selling price be denoted by (S.P), cost price by (C.P) marked price by (M.P), transport cost (T.C) and discount by (D)
Then, ATQ,
Rs.100 = S.P – (C.P + T.C) …(1)
Also, M.P = (100+44)% of C.P = 1.44 C.P
With discount, S.P = (100% – 25%) of M.P
= 75% x (1.44 C.P) = 1.08 C.P
i.e., S.P = 1.08 C.P …(2)
Also, transport cost, T.C = 5% of S.P
= 0.054 C.P …(3)
Using (2) & (3) in (1),
100 = (1.08C.P) – (C.P + 0.054C.P) = (1.080 – 1.054)C.P
C.P = 100 / 0.026 = 100000/26
C.P = Rs.(50,000/13)
T.C = 0.054 C.P = Rs.2700/13
For required case, S.P = M.P = 1.44 C.P
S.P = Rs. 72000/13
Total C.P = (50000/13) + (2700/13) = Rs.52700/13
P% = [{(72000/13) – (52700/13)} / (52700/13)] x 100%
= [(720-527)/(527)] x 100%
= 19300/527 = 36.63%

Incorrect

Answer : 1. 36.63%
Explanation-
Let the selling price be denoted by (S.P), cost price by (C.P) marked price by (M.P), transport cost (T.C) and discount by (D)
Then, ATQ,
Rs.100 = S.P – (C.P + T.C) …(1)
Also, M.P = (100+44)% of C.P = 1.44 C.P
With discount, S.P = (100% – 25%) of M.P
= 75% x (1.44 C.P) = 1.08 C.P
i.e., S.P = 1.08 C.P …(2)
Also, transport cost, T.C = 5% of S.P
= 0.054 C.P …(3)
Using (2) & (3) in (1),
100 = (1.08C.P) – (C.P + 0.054C.P) = (1.080 – 1.054)C.P
C.P = 100 / 0.026 = 100000/26
C.P = Rs.(50,000/13)
T.C = 0.054 C.P = Rs.2700/13
For required case, S.P = M.P = 1.44 C.P
S.P = Rs. 72000/13
Total C.P = (50000/13) + (2700/13) = Rs.52700/13
P% = [{(72000/13) – (52700/13)} / (52700/13)] x 100%
= [(720-527)/(527)] x 100%
= 19300/527 = 36.63%

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