CAT Questions

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The given number series follows a pattern that,

56

56 + 8 = 64

64 - 16 = 48

48 + 32 = 80 (Not equal to 90)

80 - 64 = 16

16 + 128 = 144 

Hence, the odd number in the given number series is 90.

Holkar Trophy is associated with Bridge sport.

Bridge is the ultimate tricky card game that four people can play with a pack of 52 cards. It is the greatest source of enjoyment.

History of the Holkar Trophy ::

It was a treasured dream of Late Maharaja Yeshwant Rao Holkar to have regular National Bridge Tournament at Indore for promotion of the game in the erstwhile Holkar state.

More :: Indian History Questions

Here the series follows the pattern that, product of succesive prime numbers i.e,

 2 × 3 = 6

 3 × 5 = 15

 5 × 7 = 35

 7 × 11 = 77

 11 × 13 = 143

 13 × 17 = 221

 17 × 19 = 323

So here in place of 77 the number 63 is written.

So the wrong number is 63.

The point or place of origin of an earthquake is called Focus. 

And,

The point where the seismic waves reach the surface is called as Epicenter.

$$\begin{gathered} 13 x ? + 47 x 114 x 539 = 31100 x 2000 \\ ? = 378 x 3 \\ ? = 1134 \end{gathered}$$

This can be easily simplified by Approximation process

Given 39.96% of 649.85 ÷13.07 = 45.14 - ? can be written as 

40% of 650 ÷13 = 45 - ?

$$\begin{gathered} 40 x 65010013 = 45 - ? \\ ? = 45 - 20 \\ ? = 25. \end{gathered}$$

In each term second two numbers are multiples of the first number. But in 4-15-24 15 is not multiple of 4.