Quantity Calculation | MCQs

Explanation

Simple mathematics question … (solve for X)

12/22 = 30/X

12X = 22 * 30

12X = 660

X = 55

Explanation

To find the number of good apples, you can subtract the number of bad apples from the total number of apples.

First, calculate the number of bad apples:

2/9 of 27 = (2/9) × 27 = 6

So, there are 6 bad apples.

To find the number of good apples, subtract the bad apples from the total:

27 - 6 = 21

Therefore, there are 21 good apples.

Explanation

42.5/7 = 6.07

Explanation

To find the weight of rice per packet:

1350 kg / 30 packets = 45 kg/packet

For 38 packets:

Weight = 38 packets × 45 kg/packet

= 1710 kg

Explanation

We are given:

• 35 kg of spinach costs Rs. 28

• We need to find how many kg can be bought for Rs. 16

Step 1: Find cost per kg

Cost per kg==28​/35=0.8Rs/kg

Step 2: Find how many kg for Rs. 16

$$text{Kg} = frac{16}{0.8} = 20$$0.8=20

Explanation

By definition, 1 ream = 500 sheets of paper.

This is a standard unit used in offices and the printing industries worldwide

Explanation

To find out how many stamps Selena has now, we need to follow these steps:

1. Start with the initial number of stamps Selena had: 204 stamps.

2. Add the number of stamps she bought: 47 stamps.

3. Subtract the number of stamps she gave to her brother: 38 stamps.

Let's calculate it step by step:

1. Initial number of stamps: 204 stamps

2. Number of stamps she bought: +47 stamps

204 + 47 = 251 stamps

3. Number of stamps she gave to her brother: -38 stamps

251 - 38 = 213 stamps