Which of the following numbers cannot represent a probability?
(A) 0.66 (B) 1.5 (C) 0.15 (D) 0.7 Answer: The probability of an event lies between 0 and 1. So... View Article
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Find the median of the first five whole numbers.
Answer: The first 5 whole numbers are 0, 1, 2, 3, and 4. Here number of observations, n = 5,... View Article
The predecessor of the integer -1 is
Answer: To find the predecessor of any number, we have to subtract 1 from the given number. Here the given... View Article
Construct two equations having solution x = -2
Answer: Given x = -2 (i) multiply both sides of above equation by 3 3x = -6 3x + 6... View Article
The fifth root of 243 is given by
Answer: 243 = 3×3×3×3×3 = 35 2431/5 = 35×1/5 =3 5th root of 243 = 3
The southernmost point of India is _____ in the Great Nicobar Island.
(a) Indira Point (b) Kanyakumari (c) Nehru Point (d) Rameshwaram Answer: The southernmost point of India is Indira Point. It... View Article
Our dress code is an example of ___ communication.
A.Verbal B.Nonverbal C.Written D.Spoken Answer: Our dress code is an example of nonverbal communication. Nonverbal communication is the process of... View Article
The Ahom tribes migrated from
(a) Iran (b) Arab (c) Myanmar (Burma) (d) China Answer: The Ahoms are a tribe in the North Eastern part... View Article
What are equivalent rational numbers?
Answer: Rational numbers are numbers which can be expressed in the form p/q, where q is not equal to zero.... View Article
What is expansion of RAM?
(a) random access memory (b) random arithmetic memory (c) read access memory (d) none of these Answer: RAM stands for... View Article
Who mends our shoes?
Answer: Cobbler mends our shoes. A person who mends shoes is called a cobbler.
Which one of the following is not a renewable resource?
(a) Hydrocarbon fuel (b) Water energy (c) Solar energy (d) Wind energy Solution: The energy sources that are freely available... View Article
Give six uses of acids.
Answer: The uses of acids are as follows. (1) The industrial production of explosives, dyes, paints, and fertilizers involves the... View Article
Organic nutrients are called:
(a) fertilizers (b) manure (c) both (a) and (b) (d) none of these Solution: Organic nutrients are called manure. Hence... View Article
Yeast convert glucose into
a.starch b.alcohol c.lactic acid d.yogurt Answer: Yeast convert glucose into alcohol . Hence option b is the answer.
What is the name of Ca(HCO3)2
Solution: Calcium bicarbonate, also called calcium hydrogen carbonate, has the chemical formula Ca(HCO3)2.
Find the cube of 8.
Answer: 83 = 8 × 8 × 8 = 512 The cube of 8 is 512.
Factorise (x2-y2)/100
Answer: (x2-y2)/100 = x2/100 – y2/100 = (x/10)2 – (y/10)2 Use identity (a2 – b2) = (a-b) (a+b) = [(x/10)... View Article
0 is the smallest rational number. True or False? Why?
Answer: This given statement is false. Negative rational numbers are less than zero. Hence zero is not the smallest rational... View Article
Are the diagonals of a rectangle equal? Why?
Answer: Yes. The diagonals of a rectangle are of equal length. The two diagonals of a rectangle are the hypotenuse... View Article
