The length of a rectangle is four times its breadth. If its length is increased by 20 cm and breadth is increased by 20 cm, the area of the rectangle is increased by 900 cm2. Find the length of the rectangle.
Let Breadth = x and Length = 4 x ∴ Original area = 4 x × x = 4 x² Now, New Area = ( 4 x +20 ) x (x +20) ∴ ( 4 x +20 ) × (x +20) - 4x² = 900 ⇒ 100x=900 – 400 ⇒ x= 5 ∴ l = 4 × 5 = 20cm
Answer the following question based on the direction given below.
If 'A#B' means 'A is equal to B'
'A@B' means 'A is greater tha...
Statement: E < F ≤ G = H, I ≥ G ≤ J ≤ K
Conclusion: I. K > E II. H > K
Statements: Z > X = Y ≥ W; S ≥ I ≤ Q = Z
Conclusions:
I. W < Q
II. S ≥ Y
III. Y < S
Statements: Z ≥ S > H, C > H, T = O ≥ H
Conclusions:
I. T > C
II. Z > H
Statements: B < C ≤ D < A ≥ Y
Conclusion: I. A > B II. Y < C
...Statements: C > G > E; E = F; G < H
Conclusions: I) F < G
II) E < C
III) C > H
Statement: W < X; W ≥ Y > Z; T ≥ U > X
Conclusion:
I. Z ≥ X
II. U ≥ W
Statements: R @ C % L # X & P $ A # W; Q $ L @ X
Conclusions:
I. W @ L
II. A # Q
III. R @ X
...Statement: K = B; D ≥ L ≥ T ≥ B
Conclusion: I. D > K II. D = K
Which of the following expressions will be true if the expression ‘L ≥ M < N = O’ is definitely true?