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A cylindrical vessel of radius 13.5m is to be filled with petrol. How many liters of petrol will increase the height of the liquid in the vessel by 10.5cm a) 60250 liter ...

Let x = 224 and, y = 322. If the highest common factor of 23x and axy is divisible by x and y, then what can be the possible value of a? a) 18 b) 16 c) 19 d) 20 Sol: Given: x = 224, y = 322 Calculation: HCF(Highest Common Factor) of a and b is the ...

If sin2θ=cos3θ, then the value of (cot2θ-cot6θ) is: a) 1 b) -1 c) 2 d) -2 Sol:

In the given figure ABCD is square with side 17 cm. find the Area of Shaded Region if the radius of all the circle cut is 17/2 a) 144.5cm² b) 151.2cm² c) 147.4cm² d) 285cm² Sol: Logically we can put sides cut of shaded portion in unshaded circle cut because the base is same. ...

The ratio of milk and water in a mixture is 3 : 5 We added 10 Lt water to the mixture then ratio becomes 3 : 7. Find the initial quantity of milk? a) 15 Lt b) 12 Lt c) 20 Lt d) 17 Lt Sol:

In ∆ PQR, ∠Q= 90°, PQ = 8 cm and QR = 15 cm. The bisector of ∠P of meets QR at D. What is the length of PD? Sol:

A shopkeeper increases the selling price of an article by 15%. After increasing the selling price, he noticed that the profit percentage changed from 5% to 15%. The percentage increase in the cost price is. a) 4% ...

The base of a right Prizm is a hexagon with each sides 6 cm. If its volume 972cm², then its lateral surface area (in cm²) is a) 242 b) 248 c) 266 d) 216√3 Sol:

A shopkeeper claims to sell his articles at 20 per kg which cost him 23 per kg. But while selling, he uses a false weight and gives only 800 gm instead of 1 kg. What is his profit percentage? Sol: Shopkeeper claims to sell at Rs. 20 per kg, He buys it for Rs. 23 per kg Actual ...

If a2+b2+c2 + 130/9 = (5a+6c - 14/3b) -25/4, then is: a) -2 b) 2√3 c) -3 d) -7 Sol: