Mock Test No 145 | RRB NTPC Math and GI

[NTPC-2016] Soldiers: Army :: Musicians: ?

The position of how many digits in the number 59164803 will remain unchanged after the digits are rearranged in descending order within the number?

[NTPC-2016] Which sign should be interchanged if the equation below needs to be true?
1.5 + 8 × 9 – 16 ÷ 2 = 4

If A and B are connected by the relation A² + 4B²= 4AB then A:B is:

Select the odd number from the given alternatives.

[NTPC-2016] The mode and median of the data
8, 6, 8, 7, 8, 6, 8, 7, 6 is

The ratio of the Mother's age to her daughter's age is 9 : 5. The product of their ages is 1125. The ratio of their ages  five years ago was :

Find the least number which when divided by 6, 7, 8, 9 and 12 leaves the same remainder 1 in each case.

A train 250 m long is moving with the speed of 50km/hour. Find the time taken to pass a tree standing near the railway track.

Sum of five consecutive numbers that are divisible by 5 is 275. Find the last number in the series.

Simplified value of
7 + 2 x 6 + 4 × 12 ÷ 6 is

Statement: M > B , B < L, F = M
Conclusions:

I. L > F
II. F > B

Find the next term in the sequence:
1,3,5,11,21,?

Choose the odd one out:

From the given alternative words, select the word which cannot be formed using the letters of the given word:
CONSULTATION

If sin θ + sin² 𝛉 = 1, then the value of cos² 𝛉 + cos⁴ 𝛉 is –

[NTPC-2016] If PRINTER is coded as $# @ *!&#,
then INTERPRETER is coded as-

Introducing a boy, a girl said, "He is the son of the daughter of the father of my uncle." How is the boy related to the girl?

Arrange the given words in the sequence in which they occur in the dictionary.

i. Drama
ii. Dramatical
iii. Dramaticism
iv. Dramality
v. Dramatise

A fruit seller mix two qualities of fruits costing Rs.75 and Rs.50 per kg respectively. In what ratio he should mix  the mixture to get worth Rs.65 per kg ?