Addition | MCQs

Explanation

1. Convert all fractions to a common denominator (8):

   • $\frac{3}{4}=\frac{6}{8}$

   • $\frac{5}{8}=\frac{5}{8}$

   • $\frac{1}{2}=\frac{4}{8}$

2. Perform the calculation:

   • $\frac{6}{8}+\frac{5}{8}-\frac{4}{8}=\frac{7}{8}$

3. Convert $\frac{7}{8}$ to decimal:

   • $\frac{7}{8}=0.875\approx 0.87$

Explanation

Table of 19 has a pattern for every ten multiples. Consider the first 10 multiples of 19, i.e. 19, 38, 57, 76, 95, 114, 133, 152, 171 and 190.

ND18-9-2023

Explanation

9/11 + 5/7 = 3/2

Explanation

Hydration is the process of adding water (H₂O) to alkenes to form alcohols, usually in the presence of H₂SO₄ as a catalyst.

It follows Markovnikov's rule, where the –OH group attaches to the more substituted carbon.

Explanation

3.333 is the correct answer.

Explanation

Adding two negative numbers gives a more negative result:

-14 + (-10) = -24.

Explanation

Total = 0.98 + 45.102 + 32.3333 + 31 + 0.00009 = 109.41539

Explanation

To evaluate the expression, follow the order of operations:

Multiply 3 and 3: 3 × 3 = 9

Divide 9 by 3: 9/3 = 3

Add 3 and 3: 3 + 3 = 6

Explanation

The pattern in the series is:

+5 (5 to 10)

+3 (10 to 13)

x2 (13 to 26)

+3 (26 to 29)

x2 (29 to 58)

+3 (58 to 61)

x2 (61 to 122)

Therefore, the correct answer is 122.

Explanation