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In which of the following is the first number not a factor of the second number

(a) 4, 76 (b) 12, 136 (c) 15, 495 (d) 18, 918 Solution: (a) Consider 4 and 76. 76 is completely divisible by 4. So... View Article

The shape of NH₃molecule is

(a) tetrahedral (b) trigonal planar (c) trigonal pyramidal (d) linear Solution: In NH3, N is sp3 hybridised. N of NH3 has a lone pair of... View Article

What is the comparative and superlative degree of thin?

Answer: Thin - Thinner - Thinnest Comparative is thinner. Superlative is thinnest.... View Article

Fill in the blanks with suitable determiners.

(1) _____ house is not mine. (2) I have_______ more files to complete. (3) She does not like him________ (4) Nidhi answered... View Article

Find the value of root 7 up to 6 decimal places by long division method

Answer: Root of 7 up to 6 decimal places is 2.645751 The following figure shows the long division method.... View Article

What is the sum of two co-interior angles.

Answer: When two parallel lines are intersected by a transversal, the angles formed in between them are called co-interior angles. The sum of... View Article

The average of the first 20 results is 20 and that of the next 30 results is 30. What is the average of all 50 results?

(a) 26 (b) 25 (c) 24 (d) 50 Answer: Average of first 20 results = 20 So sum of first 20 results = 20×20 = 400 Average of next 30... View Article

a²-b²is equal to

Answer: (a2-b2) = (a+b) (a-b)... View Article

The zeros of the quadratic polynomial x² + 99x + 127 are

(a) Both positive (b) Both negative (c) One positive and one negative (d) Both equal Solution: Given polynomial is x2 + 99x +... View Article

The study of ancient societies is called

(a) Anthropology (b) Archaeology (c) History (d) Ethnology Solution: The study of ancient societies is called archaeology.... View Article

What is the other gender of hen?

Answer: The other gender of hen is rooster.... View Article

Simplify and express the answer with positive exponent.

Solution: = [(x4/3y1/3).(1/x1/3y7/3)]-4 = (xy-2)-4 = (x/y2)-4 = (y2/x)4... View Article

Pavement epithelium is another name for

(a) Cuboidal epithelium (b) Ciliated epithelium (c) Simple squamous epithelium (d) Stratified epithelium Solution: Simple squamous... View Article

Define 1 Newton and 1 Dyne.

Answer: The force needed to accelerate a mass of 1 kilogram by 1 m/s2 in the direction of the applied force is called 1 Newton. Newton is the SI... View Article

985 : 874 : 763 : ?

(a) 641 (b) 542 (c) 722 (d) 652 Solution: Given series 985 : 874 : 763 In this series, next number is obtained by subtracting 111... View Article

Female part of a flower is called

(a) Pistil (b) Corolla (c) Stamen (d) Pollen Tube Answer: The female part of a flower is known as the pistil. It contains an expanded basal... View Article

The fishes have lungs for respiration – State whether the statement is True or False? Justify your answer.

Answer: Fish take in oxygen-rich water through their mouths and pump it over their gills. As water passes over the gill filaments, blood... View Article

The construction of Qutub Minar was completed by

(a) Nasiruddin (b) Iltutmish (c) Qutubuddin Aibak (d) Baiban Answer: In 1200 AD, Qutb al-Din Aibak, originator of the Delhi Sultanate, began... View Article

Cube root of 9 in exponential form

Solution: We can express cube root in exponential form as 3√9 = 91/3... View Article

Carbon burns in air to form

Answer: Carbon burns in air to form carbon dioxide. C+O2 → CO2... View Article