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Explain the Process of Credit Creation by Commercial Banks

The process of credit creation by commercial banks can be easily understood by the following example. Suppose a person, say X, deposits ₹ 2000,... View Article

Gist of Kurukshetra July 2021 Issue: Rural Infrastructure

Kurukshetra Magazine is a vital source of study material for the UPSC IAS exam. It is a monthly magazine that gives information about important... View Article

Write the given formulae: Sin C + Sin D = ? SinC – Sin D = ? Cos C + Cos D = ? Cos C – Cos D = ?

sin C + sin D = 2 sin [(C + D) / 2] cos [(C - D) / 2] sin C - sin D = 2 cos [(C + D) / 2] sin [(C - D) / 2] cos C + cos D = 2 cos [(C + D) /... View Article

Fill in the blanks: the smallest odd composite number is ____.

The smallest odd composite number is 9.... View Article

Write down the power set of set B = {1, 2, 3}.

Subsets of {1, 2, 3} are ϕ, {1}, {2}, {3}, {1, 2}, {1, 3}, {2, 3} and {1, 2, 3}. Power set of {1, 2, 3} = {ϕ, {1}, {2}, {3}, {1, 2}, {1, 3}, {2,... View Article

Find the correct result, remember that the math is exact. 1 + 4 = 5 2 + 5 = 12 3 + 6 = 21 5 + 8 = …….

1] 1 + 4 = 5 = 1 + 4 × 1 = 1 + 4 = 5 2] 2 + 5 = 12 = 2 + 5 × 2 = 2 + 10 = 12 3] 3 + 6 = 21 = 3 + 6 × 3 = 3 + 18 = 21 4] 5... View Article

Factor of x² + y – xy – x

x2 + y – xy – x = x2 – x – xy + y = x (x - 1) – y (x – 1) = (x – 1)... View Article

A tricycle is sold at a gain of 15%. Had it been sold for rs 108 more the profit would have been 20%. Find its cost price.

Assume the cost of the tricycle to be x. It is sold at a gain of 15% = 15x / 100. If it was sold for rs. 108, the profit would be 20% = 20x /... View Article

Two complementry angles differ by 12 degrees, find the angles.

Let one of the angles be x. Two complementary angles differ by = 12. Bigger angle = (x + 12). Complementary angles = 90. x + x + 12 = 90 2x + 12... View Article

Factorise 2a + 6b – 3 (a + 3b)².

2a + 6b - 3 (a + 3b)2 = 2 (a + 3b) - 3 [a + 3b]2 = - 3 [a + 3b]2 + 2 (a + 3b) = (a + 3b) (- 3 (a + 3b) + 2) = (a + 3b) (- 3a - 9b + 2)... View Article

Two decks of cards are there. Each deck contains 20 cards, with numbers from 1 to 20 written on them. A card is drawn of random from each deck, getting the numbers x and y what is the probability that log x + log y is a positive integer. Logs are taken to the base 10.

log x + log y = log(xy) log xy is integer when (x,y) = (1, 10), (10, 1), (10, 10), (5, 20), (20, 5), (2, 5), (5, 2) The required probability = 7 / 400... View Article

Find the surface area of a sphere of radius 14 cm.

Radius of the sphere = 14cm Surface area of sphere = 4πr2 = 4 (22 / 7) * (142) = 2464 cm2... View Article

In a quadrilateral ABCD, ∠ B = 90°, AD² = AB² + BC² + CD². Prove that ∠ACD = 90°.

Given: B = 90˚ in quadrilateral ABCD AD2 = AB2 + BC2 + CD2 To prove: ACD = 90˚ Proof: In ABC, AC2 = AB2 + BC2 ….(i) [Pythagoras... View Article

A lady buys goods worth Rs 200 (0 profit). The lady gives him a 1000Rs note. The shopkeeper gets the change from the next shop and keeps 200 for himself and returns Rs 800 to the lady. Later the shopkeeper of the next shop comes with the note saying duplicate and takes his money back. How much loss did the shopkeeper face?

(i) 200 (ii) 800 (iii) 1200 (iv) 1800 (v) 2000 (vi) 1600 (vii) 1000 Goods sold = Rs. 200 The amount returned to the lady = Rs. 800 The next... View Article

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Archives

Explain the Process of Credit Creation by Commercial Banks

Gist of Kurukshetra July 2021 Issue: Rural Infrastructure

Write the given formulae: Sin C + Sin D = ? SinC – Sin D = ? Cos C + Cos D = ? Cos C – Cos D = ?

Fill in the blanks: the smallest odd composite number is ____.

Write down the power set of set B = {1, 2, 3}.

Find the correct result, remember that the math is exact. 1 + 4 = 5 2 + 5 = 12 3 + 6 = 21 5 + 8 = …….

Factor of x² + y – xy – x

A tricycle is sold at a gain of 15%. Had it been sold for rs 108 more the profit would have been 20%. Find its cost price.

Two complementry angles differ by 12 degrees, find the angles.

Factorise 2a + 6b – 3 (a + 3b)².

Two decks of cards are there. Each deck contains 20 cards, with numbers from 1 to 20 written on them. A card is drawn of random from each deck, getting the numbers x and y what is the probability that log x + log y is a positive integer. Logs are taken to the base 10.

Find the surface area of a sphere of radius 14 cm.

In a quadrilateral ABCD, ∠ B = 90°, AD² = AB² + BC² + CD². Prove that ∠ACD = 90°.

Proof of tangent segment theorem.

Locate root 4 on a number line.

Find the square root of 400 by long division method.

Write a pythagorean triplet whose one member is 14.

Prove that tan 70circ = tan 20circ + 2 tan 50circ

222=6, 333=6, 444=6, 555=6, 666=6, 777=6, 888=6, 999=6,? Explain how and why?

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