Question

Multiple Choice Question

Q.1 A jar has 9 blue marbles and one red marble in it. Probability of drawing a

blue marble is :

(a) 1/10

(b) 9/10

(c) none

Q.2Choose the likelihood which matches the outcomes of event, a cat will have

cubs

(a)Impossible

(b) likely

(c) none

Q.3Which one is correct formula for area of rectangle?

(a) A = 2(L + B)

(b) A= LXB

(c) none

Q.4800ଶ = _____²

Q.5If ΔABC and ΔDEF are congruent under criteria SAS theorem , then BC = ___

(a)DE

(b) DF

(c) EF

Q.6 Sum of all angles of a triangle is(a) 180°

(b) 108°

(c) none

Q.7 Measure of complement of 38°will be

(a) 52°

(b) 42°

(c) none

Q.8 What % is 6h of 1 day?

(a) 24%

(b) 25%

(c) 50%

Q.9 If 3x+5 =8, then x=

(a) 13/3

(b) 1

(c) zero

Q10. Numerical coefficient of ( -25x²y²) will be

(a)25

(b) -25

(c) x²y²

Q.11 Sum of (a+b+c) and (a-b+c) is

(a) 2a +c

(b) a +2c

(c) 2a +2c

Q.12 5²x5²=_____(a) 25

(b) 125

(c) 625

Q.13 7200 can be written as (scientific notation)

(a) 72x100

(b) 720

(c) 7.2 x 10³

Q.14 0 ÷ ( ଵହ

ିଵ଺

) =?

(a) 0

(b) 15/16

(c) -15/16

Q.15 What will be circumference of a circle of radius 18 cm ?

(a) 72⫪

(b) 36⫪

(c) none

PART 2: CASE STUDY (EACH QUESTION CARRIES 1 MARK)

Avinash earns Rs 950 per week and saves Rs 150 per week from his income. He

spend Rs 200 for transportation, Rs 400 for the food, Rs 150 for his entertainment

and Rs 50 for recharge his mobile.

Q.16 What will be the ratio of his recharge amount to the entertainment amount.

Q.17 Find the ratio of expenditure on food to entertainment.

Q.18 Find the ratio of his saving to his income.

Q.19 What will be the ratio of the transportation charge to the total expenditure.

Q.20 write the ratio of his expenditure to his income of per week.

SECTION B (EACH QUESTION CARRIES 2 MARKS)Q.21Simplify; ିହ

ଽ

− (ି଻

ଵଶ

)-2( ହ

଺

)

Q.22 Find two consecutive even numbers whose sum is 86.

Q.23 Find selling price of an article, if its cost price = Rs 8000 and profit% = 3%.

Q.24 Find the length of diagonal of a rectangle, if its length and breadth 8m and

6m respectively.

Q.25 Write RHS Congruence theorem with the figure.

SECTION C (EACH QUESTION CARRIES 4 MARKS)

Q.26 From a pack of 100 cards numbered 1 to 100.what will be the probability of

getting

(a) prime number

(b) multiple of 7

(c) drawing a square number

(d). drawing numbers end with 0

Q.27 How many kilometers does a person walk in taking 10 rounds of circular park

of radius 70 m?

Q.28 ABCD is a rhombus. Prove that Δ ABC congruent to ΔADC.Is angle DAC =angle BCA ? If yes, why?Q.29 (a)What is the percentage decrease, if the price of a T-shirt is reduced from

Rs 800 to Rs 640.

(b) In how many years will Rs 3800 earn an interest of Rs 456 at 4% per annum

simple interest.

Q.30 (a) Evaluate x+3y-z+5y for x=1 y=-1 and z= 2

(b) Subtract (2a+5b-c) from the sum of (a+b+4c) and (4a + b+ 3c).
​

Answer 1

Answer:

1.b

2.b

3.b

4.

5.c

6.a

7.b

8.b

9.c

10.b

11.c

12.c

13.a

14.

15.b

Step-by-step explanation:

pls mark me as brainliest