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Ratio class - 11(Proportion - 5)
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Componendo and dividendo part - 2

## Bharat Gupta is teaching live on Unacademy Plus

Bharat Gupta
Engineer by degree Mathematician by Heart. Having 22 years of teaching experience. More than 20000 students selected.

U
sir form 10 question no 2 ko x ka value a sin thita rkne pe kuch aur aa rha
Ra
sir no mil skta h ky aapka
sir...is it enough for cat??
before watching this i had no no idea regarding this C and D but now i gained the confidence to solve such questions . thank you sir!
awesome
1. RATIO AND PROPORTION Class - 12 (Proportion part- 5)

2. lf 3x -5y -2x+ y, find the value of 3xS 3x+5y 3x-5y 17 23 23 17 .i C.m d. 2. 13 13

3. lf 3x -5y -2x+ y, find the value of 3xS 3x+5y 3x-5y 23 d. 1 23 17 13 S U c D 3 .syl8rS 23 3 -

4. If X-a-b a+b a-b v = b-c and z =-, find value of , y= b+c c+a 1-x 1-y 1-z a. abc b. 1 C.abc

5. b-c If x- = a4b.y-b-c and z-cta, find value of c+a 1-x 1-y 1-z a. abc b. 1 C- abe 1 d.-1 -a-b 1-2 a ph c D 1-2

6. I"2P47 -153, find value of x 3x7+1 117 77cd. 4/7

7. lf'+3x = 133 , find value of x 3x2+1 117 1 33 II 7 372p 133-11 3

8. #x-aabi, find value of Ettib_x If x = , find value ofmx-v- at +1 a. a b. 1/a c. b d.1/b

9. If X = 2abi, find value ofm- a. a b. 1/a v- 2a b- . 2. 2 OR

10. 2V24 V2+V3 find value of t212 + x+213 f ma value of x-W2 -W3 a. 1 b. 2c.-1 d. -2