Archives

x/2 – x/3 = x/4 + 1/2 Solve it

Answer: Given x/2 - x/3 = x/4 + 1/2 Find the LCM of the denominators. LCM of 2, 3 and 4 is 12. Multiply numerator and denominator with the... View Article

x% of y is y% of :

(A) x (B) 100x (C) 10x (D) 5x Answer: Let x% of y = y% of k (x/100)y = (y/100)k =>x = k Hence option A is the answer.... View Article

Railway diesel engines are manufactured in Uttar Pradesh at this place. Name it.

Answer: Railway diesel engines are manufactured in Uttar Pradesh at Varanasi.... View Article

Find the distance between the points (2, 3) and (4, 1).

Answer: Let the given points are P(2, 3) and Q(4, 1). The distance between two points (x1, y1) and (x2, y2) = √[(x2 - x1)2 + (y2 - y1)2]... View Article

A ___ of shoes (Fill in the blanks with collective noun )

(a) swarm (b) bunch (c) pair (d) none of the above Answer: A pair of shoes. Hence option c is the answer.... View Article

Tabo Monastery is located in which of the following states?

(A) Arunachal Pradesh (B) Himachal Pradesh (C) Jammu & Kashmir (D) Sikkim Answer: Tabo Monastery is located in Tabo village... View Article

How many watts equal 1 horsepower?

(A) 746 (B) 500 (C) 646 (D) 700 Solution: 1 horsepower = 745.69 watts ≈ 746 Hence option A is the answer.... View Article

How will you convert benzene into aniline?

Solution: Benzene consists of six carbon atoms and six hydrogen atoms. In the first step the benzene ring is treated with fuming nitric acid in... View Article

If a + 1/a = 3 find a²+ 1/a²

Solution: Given a + 1/a = 3 (a + 1/a)2 = 32 a2 + 2 + 1/a2 = 9 a2 + 1/a2 = 9-2 = 7... View Article

In which continent is India situated?

(A) Asia (B) Africa (C) Europe (D) North America Solution: India is situated in Asia. Hence option A is the answer.... View Article

Find three consecutive even numbers whose sum is 234.

Solution: Let x-2, x, x+2 be the numbers. Sum = 3x = 234 => x = 234/3 = 78 x-2 = 76 x+2 = 80 Hence, 76, 78 and 80 are the three... View Article

The first newspaper published in India was

(A) The Bengal (B) The Bengal Gazette (C) The Hindu (D) The Indian Mirror Solution: The first newspaper published in India was the Bengal... View Article

Masculine of landlady

Answer: Landlord is the masculine gender of landlady.... View Article

Solve by using elimination method 3x + 4y = 10 and 2x – 2y = 2

Answer: Given 3x + 4y = 10…(i) 2x - 2y = 2 …(ii) Multiply (ii) by 2 => 4x - 4y = 4 …(iii) Add (i) and (iii) 7x = 14... View Article

The upper chambers of the heart are called

(A) Auricles (B) Ventricles (C) Spiracles (D) Tentacles Solution: The upper chambers of the heart are called auricles. The human heart is... View Article

Name the Major continents of the Earth

Answer: The continents are Asia, Africa, North America, South America, Antarctica, Europe, and Australia.... View Article

Draw Venn diagram of A union (B intersection C)

Solution: A Venn diagram is a widely used diagram style that shows the logical relation between sets, popularized by John Venn. We have to... View Article

Why non-metals do not conduct electricity?

(A) They have enough free electrons (B) They do not have free electrons (C) They have weak force of interaction (D) None of the above... View Article

The bond order of O₂ is

(a) 1 (b) 2 (c) 1.5 (d) 3 Answer: Bond order is defined as half the difference between the number of electrons in bonding molecular orbital... View Article

Tally marks are used to find

(a) Class interval (b) range (c) upper limit (d) Frequency Solution: Tally marks are used to find frequency. Hence option d is the answer.... View Article

M	T	W	T	F	S	S
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30