Question
Select the option that is related to the third number in
the same way as the second number is related to first number and the sixth number is related to the fifth number. 65: 30 :: 74 : ? :: 92: 10Solution
One is added to odd digit of the first number and one is subtracted from even digit of the first number and then both the digits are multiplied to obtain the second number. (6 – 1) x (5 + 1) = 5 x 6 = 30 (9 + 1) x (2 – 1) = 10 x 1 = 10 (7 + 1) x (4 – 1) = 8 x 3 = 24
What is the chemical formula for common rust?
1. Fe3O4
2. FeO
3. Fe2O3 . xH2O
4. FeCL3
Vitamin necessary to prevent prolonged bleeding isÂ
Acid rain is caused due to pollution of the atmosphere by:
Deficiency of which of the following elements is responsible for weakening of bones?
1. CalciumÂ
2. Phosphorus
3. Nitrogen
...
Aromatic hydrocarbons contain at least how many benzene rings in their molecules?
Which endocrine gland requires iodine to synthesize a particular hormone, whose deficiency may cause goitre disease?
Which among the following form of coal contains the highest percentage of carbon content?
Bleaching powder is represented as ______.
What is the primary respiratory pigment in human blood?
Terylene is a condensation polymer of ethylene glycol and which acid?
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