Explanation

We know that th CP of 1 toffee =₹1/5

SP of 1 toffee = ₹1/2

Since SP is more than CP it's Gain

Gain=SP−CP

=1/2−1/5

=3/10

∴Gain%=(Gain×100)/CP

=((3/10)×100)/(1/5)

=150% 

Explanation

Question:    7        12     19     ?        39

Difference:      5            7            9        12

So 19+ 9 = 28      

Explanation

Let’s analyze each option under the assumption that a and b are integers:

a⁷ → Square of an integer → Always an integer

b* → Ambiguous; if it means b raised to some power (like a^b or b^a), then:

If b = 2 and a = -1, then b^a = 2⁻¹ = 0.5, not an integer

So, this is not necessarily an integer

a * b → Product of two integers → Always an integer

2a – 5b → Linear combination of integers → Always an integer

Explanation

The expression that represents "a number greater than -2 but less than 7" is:

{x | -2 < x < 7}

This notation correctly indicates x is between -2 and 7, excluding both -2 and 7.

Explanation

Since the increasing average is 5 kg so the weight of each box would increase 5 kg So the total increase in weight = 5 x 3 = 15 kg   

Weight of new box to be = 98 + 14 = 104 kg

Explanation

Given:

x + 8 = 4

Subtract 8 from both sides:

x = -4

Now, find x + 4:

x + 4 = -4 + 4 = 0

Explanation

Question: In case L is the second Stop, which among the following must be the stop immediately before M?

Answer: Q

Question: In case a passenger gets on the bus at O, rides past one of the stops, and get off at P, which of the following must be true?

Answer: O is stop one

Explanation

40 kg rice costs Rs. 3200

60 kg rice costs Rs. 4800

80 kg rice costs Rs. 6400

3200÷40=80 4800÷80=60

***

Explanation

when 32 divided by 4 and added 40 to gives 48.40 to gives 48.

Explanation