5
Q:

How many prime numbers exist in 65×359×113 ?

A) 29 B) 31
C) 33 D) 27

Answer:   B) 31



Explanation:

Given  65×359×113

2×35×5×79×113 

25×35×59×79×113

Thus, there are (5 + 5 + 9 + 9 + 3)= 31 prime numbers.

Subject: Numbers
Exam Prep: CAT
Job Role: Bank PO
Q:

Which number will fit in '?' place in the following series?

 

12, 23, 45, 89, ?

 

A) 175 B) 176
C) 177 D) 178
 
Answer & Explanation Answer: C) 177

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

6 1573
Q:

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.

 

 

A) 61 B) 21
C) 16 D) 81
 
Answer & Explanation Answer: C) 16

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

1 316
Q:

The equation of a line is given by 4y-6x+9=0. Find the slope of other line which is perpendicular to it.

 

A) -2/3 B) 2/3
C) 3/2 D) -3/2
 
Answer & Explanation Answer: A) -2/3

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

2 427
Q:

What will be the 20th term in the given sequence?

 

-50, -47, -44, _

 

A) -10 B) 10
C) -7 D) 7
 
Answer & Explanation Answer: D) 7

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

9 2316
Q:

In the given series of numbers how many 7's are there which are immediately followed by 9 and immediately not preceeded by 5 ?

 

A) 6 B) 2
C) 1 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

3 627
Q:

The value of 1+22+23+24+...+29 is

A) 255 B) 511
C) 1021 D) 2047
 
Answer & Explanation Answer: C) 1021

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams , CAT

9 1240
Q:

In an arithmetic progression if 13 is the 3rd term, -­47 is the 13th term, then ­-17 is which term?

A) 9 B) 10
C) 7 D) 8
 
Answer & Explanation Answer: D) 8

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

5 1089
Q:

What is the value of (81 + 82 + 83 + ......... +130)?

A) 5275 B) 10550
C) 15825 D) 21100
 
Answer & Explanation Answer: A) 5275

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams , CAT

11 1180