A. 0 sq m
B. 3 sq m
C. 2 sq m
D. 6 sq m
A. 16 2/3%
B. 20%
C. 18%
D. 25%
A. 35, 25 kmph
B. 80, 40 kmph
C. 40, 60 kmph
D. 50, 55 kmph
Explanation:
Speed downstream = 60 + 20 = 80 kmph
Speed upstream = 60 – 20 = 40 kmph
A. 3:4
B. 3:5
C. 15:23
D. 17:23
E. None of these
Explanation:
P:Q = 85000 : 15000 = 17:3.
A. Rs. 45
B. Rs. 40
C. Rs. 35
D. Rs. 50
E. None of these
Explanation:
SP per metre = 18000/400 = Rs. 45 Loss per metre = Rs. 5 CP per metre = 45 + 5 = Rs. 50
A. 9 1/4 min
B. 11 1/4 min
C. 7 1/4 min
D. 8 1/2 min
Explanation:
3/12 + x/15 = 1
x= 11 1/4
A. 63
B. 511
C. 1023
D. 15
Explanation:
Given that, the question paper consists of five problems. For each problem, one or two or three or none of the choices can be attempted.
Hence, the required number of ways = 45 – 1.
= 210 – 1 = 1024 – 1 = 1023