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(-57)×(-19)+57 =

Solution: (-57)×(-19)+57 = 57(19)+57(1) (since -×- = +) = 57(19+1) = 57×20 = 1140

Who is the first female IPS officer of independent India?

Solution: Kiran Bedi is the first female IPS officer of independent India.

I saw — one eyed man. Fill in the blank with a suitable article (a/an/the)

Solution: I saw a one eyed man. Here the indefinite article ‘a’ will be used before the word ‘one’ as... View Article

What is the collective noun for chickens hatched the same time?

Solution: Brood is the collective noun for the chickens hatched at the same time.

The sum of all the three angles in a triangle is

Solution: The sum of all the three angles in a triangle is 1800.

Meeru had lost her way home and was standing 25 meters away from her house in the south-west direction. She walks 20 meters north and reaches point A. How far and in which direction would she have to walk to reach her house?

Solution: Given Meeru is 25 m away from her house in the south-west direction. Then she walks 20 m north... View Article

There is a circular path around a sports field. Sonia takes 18 mins to drive one round of the field,while Ravi takes 12 mins for the same. Suppose they both start at the same point and at the same time, and go in the same direction. After how many minutes will they meet again at the starting point?

Solution: We have to find the LCM of 18 and 12 to find the meeting time. 18 = 2×3×3 12... View Article

A well of diameter 3m ,dug 14m deep. The earth taken out of it has been spread evenly all around it in the shape of a circular ring of width 4m to form an embankment. Find the height of the embankment.

Solution: Volume of cylinder = πr2h Here radius of well, r1 = 1.5m Depth, h1 = 14 m Embankment will... View Article

The greatest negative integer is

Solution: -1 is the greatest negative integer.

Mauli purchased a designer saree from Mumbai at 8/9th of its MRP, When she came back to Delhi, her neighbour coaxed Mauli to sell the saree to her. She was even ready to pay 9% more than its MRP. What would Maull’s gain percentage be, If she decides to sell the saree to her neighbour?

Solution: Let x be the MRP of saree. Amount Mauli paid (cost price) = (8/9)x Amount neighbour will pay for... View Article

My cousin has invested a lot of money ____ farming.

(A) into (B) in (C) on (D) for Solution: My cousin has invested a lot of money in farming. Hence... View Article

The ratio 3:8 is equal to –%

a. 3.75% b. 37.5% c. 0.375% d. None of these Solution: To convert a ratio m:n into the form of... View Article

Lysosomes are also mainly called as

a) suicide bags b) killer bags c) secretory vesicles d) none of these Solution: Lysosomes are membrane bounded organelle... View Article

The broad green part of the leaf is called

a) Thalamus b) Petiole c) Lamina d) Midrib Solution: The broad green part of the leaf is called the lamina.... View Article

Prove tan 9⁰– tan 27⁰– tan 63⁰+ tan 81⁰= 4

Solution: tan 90 – tan 270– tan 630 + tan 810 = tan 81 + tan 9 – (tan 63... View Article

Sita can cut 8 onions in 10 minutes and Jyoti can cut 6 onions in 5 minutes. How much time will they take to cut 24 onions together?

Solution: Number of onions cut by Sita in 10 min = 8 Number of onions cut by Sita in 1... View Article

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