List of practice Questions

One can purchase a flat from a house building society for Rs. 55,000 cash or on the terms that he should pay Rs. 4,275 as cash down payment and the rest in three equal yearly instalments. The society charges interest at the rate of 16\(\%\) per annum compounded half yearly. If the flat is purchased under instalment plan, find the value of each instalment

A petrol pump mixed leaded and unleaded petrol in such a way that the mixture contains 10\(\%\) unleaded to I litre mixture so that the percentage of unleaded petrol becomes 5\(\%\)?

The dimensions of a room are 12.5 metres by 9 metres by 7 metres. There are 2 doors and 4 windows in the room; each door measures 2.5 metres by 1.2 metres and each window 1.5 metres by 1 metre. Find the cost of painting the walls at Rs. 3.50 per square metre.

What should come in place of question mark\((?)\)in the following questions?
\(33.3 + 3.03 + 0.03 + 30.03 + 0.003 + 303 = ?\)

Solve the following:-
\(5389 + 4172 – 3868 – ? = 2456 + 1130\)

Solve the following:-
(23)²³ × (23)^–19 =?

Solve the following:-
(8.83% of 228) – (2.65% of 104) =?

Solve the following:-
\(3870 ÷ ? = 516\)

Solve the following:-
\([(156)^2 ÷ 8 × 36] ÷ ? = 117 × 24\)

What should come in place of question mark (?) in the following questions?
\((9.75\% \text{ of } 316) - (3.82\% \text{ of } 120) = ?\)

What should come in place of question mark\((?)\)in the following questions?
\(\frac{5339}{?} = 562\)

What should come in place of question mark\((?)\)in the following questions?
\((56.23+93.96+17.81\div6=?\)

What should come in place of question mark (?) in the following questions?
(61)¹⁰ X (61)⁴=?

The ages of Shauna and Imam are in the ratio of 7:3 respectively. After 9 years the ratio of their ages will be 4:3. What is the age of Imam?

The compound interest accrued on an amount of Rs, 18000 at the end of three years is Rs 5,958. What would be the simple interest accrued on the same amount at the same rate in the same period?

What is 25% of 45% of 4/9th of 4540?

You have to find out what will come in place of the question mark
0.7 x 0.5 = ?

You have to find out what will come in place of the question mark
\(\sqrt{486}\)++ 21% of 32 =?

If A and B are two mutually exclusive events, then

Three groups A, B and C are contesting for position on the Board of Directors of a company. The probabilities of their winning are 0.5, 0.3 and 0.2 respectively. If the group A wins the probability of introducing a new position is 0.7 and the corresponding probabilities for group B and C are 0.6 and 0.5 respectively. The probability that a new position introduced is

If a boy can throw a cricket ball 100 m, then the time required for the ball to touch the ground is

A biased coin with probability p\(;\) 0\(<\)p\(<\)1 of head is tossed until a head appears for the first time. If the probability that the number of tosses required is even is \(\frac{2}{5}\), then p equals to

If 0 \(<\) p \(<\) I, which of the following has the least value? 

Which of the following must equal zero for all real numbers x?
(I). x³-x²
(II). x⁰
(III). x¹

In a rectangular coordinate system, triangle ABC is drawn so that one side of the triangle connects two points on the y axis, A(0, 2) and B(0, -4). If point C has coordinates (c, 0) and the area of ABC is 21, then C =