Class 7 Mathematics
Final Series Assignment 4
Q.1. Solve : 15.3 ÷ 3 − 
of
(19.6 − 6.8) + 0.5 × 7.5
Q.2. In ∆ABC, ∠A= 50°, ∠B= 70° and bisector of ∠C meets AB at D (see figure). Find the measure of ∠ADC.
Q.3. The price of an article was decreased by 25%. If the reduced price is ₹ 8460, then what was its original price?
Q.4. The sum of four consecutive natural numbers is 722. Find the numbers.
Q.5. ∆ABC and ∆DEF are congruent triangles by SSS congruence criterion. Find the value of x and y respectively.
Q.6. What number
should be subtracted from 
,
so that the resultant will be 
?
Q.7. Find the
perimeter of the given shape (Take π = 
).
Q.8. If in 5 less than thrice a number, 7 is added, the result is 14. Find the number.
Q.9. If P = −(x − 2), Q = −2(y + 1) and R = −x + 2y, then find a, when P + Q + R = ax.
Q.10. In the given figure, FD is the bisector of ∠EFG, also ∠FDE = ∠FDG. Prove that ∆DFE ≅ ∆DFG, DE = DG and ∠FED = ∠FGD.
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