MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Multiplication Trick for a Table

If 25: 35:: 4...

Question

If 25 : 35 : : 45 : x, then the value of x is
(a) 63
(b) 72
(c) 54
(d) none of these

Open in App

Solution

(a) 63
25:35::45:x
25 = 45
35 x
⇒ x = 35 × 45 = 1575 = 63
25 25

Suggest Corrections

thumbs-up

1

Similar questions

Q. If 57 : x : : 51 : 85, then the value of x is
(a) 95
(b) 76
(c) 114
(d) none of these

Q. If 57 : x = 51 : 85, then the value of x is

(a) 95
(b) 76
(c) 114
(d) None of these

If |\vec{a}| = 8, |\vec{b}| = 3 and |\vec{a} \times \vec{b}| = 12,

then the value of

\vec{a} \cdot \vec{b}

(a) 6 \sqrt{3} (b) 8 \sqrt{3} (c) 12 \sqrt{3} (d) none of these

α, β

are the roots of the equation

2 x^{2} - 35 x + 2 = 0

, then the value of

(2 α - 35)^{2} (2 β - 35)^{2}

y = 3^{x - 1} + 3^{- x - 1}

(x real), then the least value of y is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Multiplication Trick for a Table

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Multiplication Trick for a Table

Standard IV Mathematics

Join BYJU'S Learning Program

CrossIcon