Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 4 - Linear Equations>Target Exercise>Q 10

MEDIUM

Stage 1 & 2

IMPORTANT

Earn 100

If $a b c - c b a = 792$ , where $a b c$ is a $3 -$ digit number. If $a + b + c = 18$ and $a = 9 c$ , what is the number?

50% studentsanswered this correctly

Important Questions on Linear Equations

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 4 - Linear Equations>Target Exercise>Q 1

If the cost of

4

books and

5

notebooks is

₹ 32

and the cost of

4

notebooks and

5

books is

₹ 31

. The cost of each book is

MEDIUM

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 4 - Linear Equations>Target Exercise>Q 2

The digits of a

2 -

digit number, when written in reversed form and subtract from the original number, the result is

36

. If the sum of the digits is

10

, the original number is

MEDIUM

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 4 - Linear Equations>Target Exercise>Q 3

4

yr back,

A

's age was

4

times that

B

's age. What is

A

's present age, if after

3

yr,

B

's age will be

{\frac{1}{3}}^{rd}

of

A

's age?

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 4 - Linear Equations>Target Exercise>Q 4

The cost of

3

tables and

4

chairs is

₹ 2800

whereas the cost of

2

tables and

3

chairs is just

₹ 1950

. What is the cost of

1

table?

MEDIUM

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 4 - Linear Equations>Target Exercise>Q 5

10

yr ago, the age of a father was thrice the age of his son whereas,

10

yr later the son will be half the age of the father. The difference between their present ages is

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 4 - Linear Equations>Target Exercise>Q 6

For what value of

m

, the equations

6 x - 9 y = m

and

2 x - 3 y = 4

given will have infinite number of solution?

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 4 - Linear Equations>Target Exercise>Q 7

The sum of the two-digit number and its reverse is

m

times the sum of its digits. If the subtraction of the reverse from the number is

n

times the subtraction of the digits, the value of

m + n

is

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 4 - Linear Equations>Target Exercise>Q 8

If the numerator and denominator of a fraction are increased by '

1

' and '

3

' respectively, the fraction becomes

\frac{1}{2}

. What is the fraction, if the increase of

2

in the numerator and

7

in denominator makes it

\frac{2}{5}

?