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Sirhind Canal Takes From _______River. (A) Okhla. (B) Gomati. (C) The Sutlej. (D) Fire Lake Of Khadakwasla.

The correct answer is (C) The Sutlej. Sirhind canal takes water from the Sutlej River at Rupar, in Punjab state. The Sirhind Canal is a large... View Article

A Raft Of Wood (Density 600 G/M3) Of Mass 120 Kg Floats In Water. How Much Weight Can Be Put On The Raft To Make It Just Sink?

Given: Density = Mass of a raft of wood = 120 kg The mass of water displaced = 0.2 * 1000 200kg The mass of a raft of wood = 120... View Article

Assume That A Neutron Breaks Into A Proton And An Electron. What Will Be The Energy Released During This Process?

As given : Neutron Proton + Electron A we know: Mass of neutron, Mass of proton, Mass of electron, The energy released... View Article

Let f be a continuous and differentiable function such that f (x) and f ′ (x) have opposite signs everywhere. Then

Given, f (x) be a continuous and differentiable function.... View Article

Two circular cylinders of equal volume have their heights in the ratio 1 : 2 The ratio of their radii is

Let the height be h and 2h and radii are r and R.... View Article

If 30% of 140 = x% of 840, then the value of x is

30% of 140 = x% of 840(30 / 100) * 140 = (x / 100) * 84042 = 8.4xx = 5... View Article

A tap can fill a tank of 500 litres in 3 hours 30 minutes. In how much time will it fill one-fifth of the tank?

One-fifth of 500 litres of tank = (1 / 5) * 500 = 100 litresTime taken to fill 500 liters = 3.5 hoursTime taken to fill 100 liters = (3.5 / 500)... View Article

Choose the appropriate number for fourth place: 13 : 91 : : 131 : ?

13 * 7 = 91131 * 7 = 917The number in the fourth place is 917.... View Article

An angle that is equal to 360 is called:

An angle of measure 360 is known as a complete angle.... View Article

If cosec⁶ θ – cot⁶ θ = a cot⁴ θ + b cot² θ + c, then a + b + c =

The given expression is cosec6 θ - cot6 θ = a cot4 θ + b cot2 θ + c.... View Article

A square board has an area of 121 sq cm. What is its perimeter?

A square board has an area of 121 sq cm.The side of the square board = √121= 11 cmThe perimeter of a square board = 4 * side= 4 * 11= 44 cm... View Article

When I triple a certain number and add 2, I get the same answer as I do when I subtract the number from 50. Find the number.

Let the number be x.According to the question, 3x + 2 = 50 - x3x + x = 50 - 24x = 48x = 12... View Article

Solve sec² 45 + cot² 135.

The given expression is sec2 45 + cot2 135.... View Article

Find the single discount which is equivalent to two successive discounts of 20% and 5%.

Assume the marked price to be Rs 100.After a discount of 20%, the price = 100 - 20% of 100 = 100 - (20 / 100) * 100= 100 - 20= 80After a further... View Article

The value of sin^-1 [cos (53π / 5)] is

The given expression is sin-1 [cos (53π / 5)].... View Article

Represent the number 19 as the difference between the cubes of natural numbers.

19 = 27 - 8 = 33 - 23... View Article

Give one example to the following statement: A whole number that is not a natural number.

The set of natural numbers start from 1.The set of whole numbers start from 0. The number which is a whole number and not a natural number is 0.... View Article

The cost of 32 tables is Rs 23520. Find the number of such tables that can be purchased for Rs 51450.

The number of tables bought for Rs. 23520 = 32 The number of tables bought for Rs. 1 = 32 / 23520 The number of tables bought for Rs. 51450 = (32... View Article

At a certain time in a deer park, the number of heads and number of legs of deer and human visitors was counted and it was found that there were 39 heads and 132 legs. find the number of deers and human visitors in the park.

Let x be the total number of legs of deer and y be the total number of legs of human visitors.x + y = 132 1 deer has 4 legs and 1 head & 1... View Article

Change the following improper fractions to mixed fractions: (i) 100 / 17 (ii) 81 / 11 (iii) – 209 / 7 (iv) – 113 / 15

(i) 100 / 17 = 5 (15 / 17)(ii) 81 / 11 = 7 (4 / 11)(iii) - 209 / 7 = - 29 (6 / 7)(iv) - 113 / 15 = - 7 (8 / 15)... View Article