A. Rs. 15
B. Rs. 12
C. Rs. 10
D. Rs. 8
A. 50 cm
B. 60 cm
C. 70 cm
D. 80 cm
A. 18 years
B. 14 years
C. 20 years
D. 16 years
Present total age of the members = 26(5) = 130 years.
Present age of the youngest member = 10 years
Present total age of the remaining four members = 130 -10 = 120 years
Their average age at the time of the birth of the youngest member = [120 – (4 * 10)] / 4 = 30 – 10 = 20 years
A. 110m
B. 112m
C. 120cm
D. 135m
A. 2:7
B. 5:2
C. 7:2
D. Data inadequate
E. None of these
Explanation:
Let C.P. = Rs. 5x and S.P. = Rs. 7x.
Then, Gain = Rs. 2x
Required ratio = 2x : 5x = 2:5
A. 3:8
B. 9:16
C. 9:32
D. 9:64
A. Rs. 8000
B. Rs. 7500
C. Rs. 7400
D. Rs. 7200
E. None of these
Let Mohan’s salary be Rs.100.
When increased by 20%, Mohan’s salary = Rs.120
Again when decreased by 20%, Mohan’s salary = 120 – 24 = Rs. 96.
But present salary is Rs. 7200
for, 96 —> 100 ; 7200 —> ?
Required salary is 7200/96 * 100 = Rs. 7500