Quiz Discussion

In an A.P., if d = -4, n = 7, an = 4, then a is

Course Name: Quantitative Aptitude

• 1] 6
• 2] 7
• 3] 20
• 4] 28
Solution
No Solution Present Yet

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# Quiz
1
Discuss

How many terms are there in the GP 5, 20, 80, 320........... 20480?

• 1] 5
• 2] 6
• 3] 8
• 4] 9
• 5] 7
Solution
2
Discuss

If sum of n terms of an A.P. is 3n2 + 5n and Tm = 164 then m =

• 1]

26

• 2]

27

• 3]

28

• 4]

None Of This

Solution
3
Discuss

What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?

• 1]

897

• 2]

1,64,850

• 3]

1,64,749

• 4]

1,49,700

Solution
4
Discuss

The common difference of the A.P. $$\frac{1}{3}, \frac{{1 - 3b}}{3} , \frac{{1 - 6b}}{3}$$   . . . . . . is

• 1]

$$\frac{1}{3}$$

• 2]

$$- \frac{1}{3}$$

• 3]

-b

• 4]

b

Solution
5
Discuss

A piece of equipment cost a certain factory 6,00,000. If it depreciates in value, 15% the first year, 13.5% the next year, 12% the third year, and so on, what will be its value at the end of 10 years, all percentages applying to the original cost?

• 1] Rs. 2,00,000
• 2] Rs. 1,05,000
• 3] Rs. 4,05,000
• 4] Rs. 6,50,000
Solution
6
Discuss

The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?

• 1] -49
• 2] -44
• 3] -39
• 4] -34
Solution
7
Discuss

The sum of first n odd natural numbers in

• 1] 2n - 1
• 2] 2n + 1
• 3] n2
• 4] n2 - 1
Solution
8
Discuss

If three numbers be in G.P., then their logarithms will be in

• 1]

AP

• 2]

GP

• 3]

HP

• 4]

None Of This

Solution
9
Discuss

In an A.P., if d = -4, n = 7, an = 4, then a is

• 1]

6

• 2]

7

• 3]

20

• 4]

28

Solution
10
Discuss

If the 7th term of a H.P. is 1/10 and the 12th term is 1/25, then the 20th term is

• 1]

1/41

• 2]

1/45

• 3]

1/49

• 4]

1/37

# Quiz