# Quiz Discussion

If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is :

Course Name: Quantitative Aptitude

• 1] 13
• 2] 9
• 3] 21
• 4] 17
##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

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

• 1] 6
• 2] 7
• 3] 20
• 4] 28
##### Solution
2
Discuss

Let S denotes the sum of n terms of an A.P. whose first term is a. If the common difference d is given by d = Sn – k Sn-1 + Sn-2 then k =

• 1]

1

• 2]

2

• 3]

3

• 4]

4

##### Solution
3
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

##### Solution
4
Discuss

For A.P. T18 - T8 = ........ ?

• 1] d
• 2] 10d
• 3] 26d
• 4] 2d
##### Solution
5
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
6
Discuss

The first and last term of an A.P. is a and l respectively. If S is the sum of all the terms of the A.P. and the common difference is given by $$\frac{{{l^2} - {a^2}}}{{k - \left( {l + a} \right)}}$$   then k = ?

• 1] S
• 2] 2S
• 3] 3S
• 4] None of these
##### Solution
7
Discuss

How many 2-digit positive integers are divisible by 4 or 9?

• 1]

32

• 2]

22

• 3]

34

• 4]

30

##### Solution
8
Discuss

If S1 is the sum of an arithmetic progression of ‘n’ odd number of terms and S2 is the sum of the terms of the series in odd places, then $$\frac{{{S_1}}}{{{S_2}}}$$

• 1]

$$\frac{{2n}}{{n + 1}}$$

• 2]

$$\frac{n}{{n + 1}}$$

• 3]

$$\frac{{n + 1}}{{2n}}$$

• 4]

$$\frac{{n - 1}}{n}$$

##### Solution
9
Discuss

The two geometric means between the number 1 and 64 are

• 1]

8 and 16

• 2]

2 and 16

• 3]

4 and 8

• 4]

4 and 16

##### Solution
10
Discuss

After striking the floor, a rubber ball rebounds to 4/5th of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 metres.

• 1] 540 m
• 2] 960 m
• 3] 1080 m
• 4] 1020 m
• 5] 1120 m
# Quiz