Two train A and B starts at same time and moves towards each other. After passing each other, A taken 9 hours 36 minutes and B takes 11 hours 16 minutes to reach their destination respectively. If speed of A in 234km/hr. Find speed of train B. ...
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If 50 men can do a certain job in 32 days working 8 hours per day, the part of that work which can be completed by 30 men in 64 days, working 4 hours per day is? (a) 11/13 (b) 2/7 (c) 3/5 (d) 7/9 Sol: Work done/total work=30*64*4/50*32*8=3/5
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Wasim borrowed Rs. 2000 from bank and returned Rs. 9500 after 4 years. After 6 years, from starting, he returned Rs. 12360 and settled his account. What was the rate of interest? Sol:
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Amit and Raman started travelling together in the same direction at 23 km/hr and 35 km/hr receptively. After 10 hours, Amit increased his speed by 13 km/hr and Raman reduced his speed by 15 km/hr, and reached the destination together. How long the entire journey last? ...
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What is the value of (cos9A+cos5A/sin9A-sin5A)? (a) cot 2A (b) cot A. (c) tan 2A ...
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A sold cylinder of diameter 18 cm and height 30 cm is melted and recast into toys with the shape of a right circular cone mounted on a hemisphere of radius 4.5 cm. If the height of the toy is 18cm, find the number of toys so formed? (a) 12 ...
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In the given figure ABC is right angle triangle, right angled at B. A semi -circle is drawn inside the triangle. Find the radius of semicircle if AO = 4cm & OC = 5cm? (a) 15/√41 (b) 20/√41 (c) 25/√41 (d) 30/√41 Sol: ∆ADO ~ ∆OEC ∴ in ∆ADO, sinθ = r/4 ...
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Let x be the least number divisible by 24, 30, 36, 45 and 50 and x is also a perfect square. What is the remainder when x is divided by 233? (a) 55 (b) 105 (c) 170 (d) 103 Sol: L.C.M of (24, 30, 36, 45, 50) = 1800 = 900× 2 For a perfect square = 900 × 2 × 2 = 3600 ...
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ABCD is a square where P, Q, R and S are the mid-points of AB, BC, CD and DA respectively, then find the area of shaded region? (a) 16 cm² (b) 24 cm² ...
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What quantity of tea at rate of Rs. 91/kg mixed with 110 kg of tea at rate of Rs. 102/kg so selling the mixed tea at Rs. 108/kg, shopkeeper gains 12 ½% ? (a) 132 kg (b) 124 kg ...
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