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Browse complete papersSelect the number from among the given options that can replace the question mark (?) in the following series.
0, 7, 26, 63, ?, 215
216
124
74
80
Correct answer
124
Why this answer is correct
Explanation:
The pattern followed here is n3 - 1.
13 - 1 = 0
23 - 1 = 7
33 - 1 = 26
43 - 1 = 63
53 - 1 = 124
63 - 1 = 215
Hence, 124 is the correct answer.
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. In three of the four pairs, the same pattern is applied and hence they form a group. Select the number-pair that does NOT belong to this group.
19, 375
17, 303
8, 82
24, 590
Correct answer
8, 82
Why this answer is correct
Explanation:
So, (8, 82) does not belong to the group.
Hence, 8, 82 is the correct answer.
If × stands for subtraction, ÷ stands for addition, + stands for division, and - stands for multiplication, which of the following equations is correct?
45 - 15 ÷ 15 × 60 + 16 = 42
25 + 5 × 20 ÷ 5 - 16 = 6
9 ÷ 28 - 10 × 15 + 9 = 10
16 ÷ 20 - 6 + 10 × 12 = 16
Correct answer
16 ÷ 20 - 6 + 10 × 12 = 16
Why this answer is correct
Given:× stands for subtraction, ÷ stands for addition, + stands for division, and - stands for multiplication.
| Symbol | × | ÷ | + | - |
|---|---|---|---|---|
| Meaning | - | + | ÷ | × |
Explanation:
Hence, 16 ÷ 20 - 6 + 10 × 12 = 16 is the correct answer.
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
a_ bca _ _ ca _ b _ _ abc
aaacba
bacaaa
abacaa
aabaca
Correct answer
aabaca
Why this answer is correct
Given sequence: a_ bca _ _ ca _ b _ _ abc
Hence, ‘aabaca’ is the correct answer.
In a certain code language, RAJAN is written as TDNFT, and STRAW is written as UWVFC. How will ENJOY be written in that language?
GQNTE
RCNTE
GQRCL
GQCRL
Correct answer
GQNTE
Why this answer is correct
The logic followed here is:
And
Similarly,
Hence, ‘GQNTE’ is the correct answer.
In a class, there are four students - Ravindra, Shiva, Triveni and Nagesh, who want to be selected in the basketball team. All of them have different heights. Nagesh is shorter than Ravindra but taller than Triveni. Shiva is shorter than Nagesh but taller than Triveni. If the coach wants to select the tallest student among them, then who will be selected?
Nagesh or Ravindra
Triveni
Shiva
Ravindra
Correct answer
Ravindra
Why this answer is correct
Four students - Ravindra, Shiva, Triveni and Nagesh, who want to be selected in the basketball team.
Ravindra > Nagesh > Triveni
Nagesh > Shiva > Triveni
From 1 and 2, we get:
Ravindra > Nagesh > Shiva > Triveni
If the coach wants to select the tallest student among them, then Ravindra will be selected.
Hence, ‘Ravindra’ is the correct answer.
Six friends, A, B, C, D, E and F, are sitting in a circle facing the center but not in the same order. B and E are not immediate neighbours of each other. B is sitting second to the right of A. C is not an immediate neighbour A. Only two people sit between D and A.
What is the sitting position of F?
Immediate neighbour of both A and C
Second to the left of A
Third to the right of C
Immediate left of E
Correct answer
Third to the right of C
Why this answer is correct
Given:
Number of friends = 6
Name of friends = A, B, C, D, E and F
Solution:
B is sitting second to the right of A
Only two people sit between D and A.
C is not an immediate neighbour A.
So, F is third to the right to C.
Hence, "Third to the right of C" is the correct answer.
Four sets of letters are given out of which three are alike in a certain way and one is different. Select a different letter-group.
NTD
RTI
QSJ
EGV
Correct answer
NTD
Why this answer is correct
Table show alphabet serial number –
The pattern followed is,
All follow the same pattern, except 'NTD’.
Hence, “NTD” is the odd one.
If A means '-' G means '×' D means '÷' E means '+' then what will come in place of the question mark (?) in the following equation?
18 E 27 D 3 A 2 G 5 = ?
29
17
43
31
Correct answer
17
Why this answer is correct
Given Equation: 18 E 27 D 3 A 2 G 5 = ?
BODMAS Rule:
Decoding the given information:
| Alphabet | A | G | D | E |
|---|---|---|---|---|
| Meaning | - | × | ÷ | + |
Now replacing the sign from left to right using BODMAS Rule, we get:
⇒ 18 + 27 ÷ 3 - 2 × 5
⇒ 18 + 9 - 2 × 5
⇒ 18 + 9 - 10
⇒ 27 - 10 = 17.
Hence, the correct option is "Option 2".
How many such sets of letters are there in the word LODERATED given below, which have the same number of letters between them in the word as in the English alphabet in forward and backward direction?
6
9
5
7
Correct answer
9
Why this answer is correct
Logic:
We have to find the number of words between the letters as per English alphabets in both forward and backward directions.
For, forward direction:
Total letters in the forward direction are Five.
For Backward direction:
Total letters in backward direction are four
As the total number of 9 letters are there.
Hence, the correct answer should be "9".