The length of two chords AB and AC of a circle are 8 cm and 6 cm and ∠BAC=90º, then the radius of circle is
(A) 25 cm
(B) 20 cm
(C) 4 cm
(D) 5 cm
The ratio of two numbers is 3:8 and their difference is 115. The smaller of the two numbers is:
(A) 184
(B) 194
(C) 69
(D) 59
By mistake instead of dividing Rs.117 among A,B and C in the ration
(A) A, 28
(B) B, 3
(C) C, 20
(D) C, 25
On what sum does the difference between the compound interest and the simple interest for 3 years at 10 % is Rs 31?
(A) Rs 1500
(B) Rs. 1200
(C) Rs. 1100
(D) Rs. 1000
A can cultivate
(A) 4 days
(B) 5 days
(C) 8 days
(D) 10 days
A man, a woman and a boy can complete a job in 3, 4 and 12 days respectively. How many boys must assist 1 man and 1 woman to complete the job in
(A) 1
(B) 4
(C) 19
(D) 41
The perimeter of a square and a circular field are same. If the area of circular field is 3850 sq meter. What is the area in meter of the square?
(A) 4225
(B) 3025
(C) 2500
(D) 2025
A train 200 m long running at 36 kmph takes 55 seconds to cross a bridge. Length of the bridge is
(A) 375m
(B) 300m
(C) 350 m
(D) 325m
A train takes 18 seconds to pass through a platform 162 m long and 15 seconds to pass another platform 120 m long. The length of the train in meter is
(A) 70
(B) 80
(C) 90
(D) 105
Train Passes by a lamp post at platform in 7 sec. and passes by the platform completely in 28 sec. If the length of the platform is 390 m,then length of train (in meter) is
(A) 120
(B) 130
(C) 140
(D) 150
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