Ques:- Some persons decide to raise Rs. 3 lakhs by equal contribution from each of them. If they contributed Rs. 50 extra each, the contribution increased to Rs. 3.25 lakhs. How many persons were there ?
A. 400
B. 500
C. 600
D. 700
E. None of these
Ques:- Find out the wrong number in the series:
4, 5, 15, 49, 201, 1011, 6073
4, 5, 15, 49, 201, 1011, 6073
A. 5
B. 15
C. 49
D. 201
Ques:- A prime number N, in the range 10 to 50 remains unchanged when its digits are reversed. The square of such a number is
A. 1936
B. 1089
C. 484
D. 121
Ques:- In each questions below are given two statements followed by two conclusions numbered I and II.
Statements :
All mangoes are golden in colour. No golden coloured things are cheap.
Conclusions :
I. All mangoes are cheap.
II. Golden coloured mangoes are not cheap.
Statements :
All mangoes are golden in colour. No golden coloured things are cheap.
Conclusions :
I. All mangoes are cheap.
II. Golden coloured mangoes are not cheap.
A. if only conclusion I follows
B. if only conclusion II follows
C. if either conclusion I or II follows
D. if neither conclusion I nor II follows
E. if both conclusions I and II follow
Ques:- One man want to build a wall .The length and breadth of the wall are 20 and 30 respectively. He needs 35 bricks for one square centimeter. How many bricks he need?
A. 21500
B. 30000
C. 21000
D. 20000
E. 25000