Question 1

What is the value of [(cos32θ + 3 cos 2θ)÷(cos6θ – sin6θ)]?

Accepted Answer

The Correct Answer is 4

Question 2

The given ven diagram represents the students who can speak different languages. According to it, the total number of students who can speak exactly two languages is ___.

Accepted Answer

The Correct Answer is L+M+O

Question 3

A question and two statements numbered I and II are given below it. You have to decide whether the data provided in the statements are sufficient to answer the question.A six storey building consisting of an unoccupied ground floor and above ground floor is floor no. 1, so on and topmost floor is no. 5. Different people lives in building viz. I, J, K, l and M. Who lives on the third floor? I. K lives on an even numbered floor. I lives immediately above L. J lives immediately above I. M does not live on the topmost floor.II. L lives on an odd numbered floor. I and J are immediate neighbours of each other. Similarly, K and M are immediate neighbours of each other. K does not live on an odd numbered floor.

Accepted Answer

The Correct Answer is The data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.

Question 4

On dividing a certain number by 342 we get 47 as remainder. If the same number is divided by 18, what will be the remainder ?

Accepted Answer

The Correct Answer is 11

Question 5

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then 315&3#9@4%6 = ?

Accepted Answer

The Correct Answer is 120

Question 6

Find the odd words/letters/number from the given alternatives.

Accepted Answer

The Correct Answer is 2,15

Question 7

[sinA/(1 + cosA)] + [(1 + cosA)/sinA] is equal to

Accepted Answer

The Correct Answer is 2cosecA

Question 8

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If lengths of PS, SQ and PR are 6 cm, 9 cm and 12.5 cm respectively, what is the length of TR?

Accepted Answer

The Correct Answer is 7.5 cm

Question 9

If x = (√2 + 1)/(√2 – 1), then what is the value of (x5 + x4 + x2 + x)/x3 ?

Accepted Answer

The Correct Answer is 2√3

Question 10

∆DEF is right angled at E. If tanD = 4/3, then what is the value of tanF ?

Accepted Answer

The Correct Answer is 3/4

Subject Category > Mathematics

Q. In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

A) 3:2

B) 2:2

C) 7:2

D) 3.5:2

✔ 3.5:2

Additional Information > Exam point of View

Asked Question

Get the universal app