User Forum

In the figure, not drawn to scale, ABCD is a trapezium. BF is a straight line. Find ∠DCE and ∠ADE.

(A) 72°, 152°

(B) 80°, 152°

(C) 70°, 142°

Let f(x) = x² + bx + c where b, c are integers. If f(x) is a factor of both x⁴ + 6x² + 25 and 3x⁴ + 4x² + 28x + 5, then the value of f(1) is ______

A 1
B 2
C 3
D None of these

Figure X is made up of 6 identical squares. Three squares were removed from figure X to form figure Y. The perimeter of figure X is 300 m. What is the perimeter of figure Y?


A150 m
B200 m
C250 m
D300 m

Sunita has planted 12 trees along a straight road. The first tree was planted at the beginning of the road and the last tree at its end. The distance between two neighbouring trees was 95 m. How long was the road?

A945 m
B1045 m
C1195 m
D1295 m

Savita walked for 30 minutes on Monday morning. If she increases her walking time by 10 minutes every day, then on coming Friday she will walk for _____.

A1 hour 10 mins
B50 mins
C1 hour
D40 mins

Kamla has a triangular field with sides 240 m, 200 m, 360 m, where she grew wheat. In another triangular field with sides 240 m, 320 m, 400 m adjacent to the previous field, she wanted to grow potatoes and onions. She divided the field in two parts by joining the mid-point of the longest side to the opposite vertex and grew potatoes in one part and onions in the other part. How much area (in hectares) has been used for wheat, potatoes and onions?(1 hectare = 10,000 m²).

A6.10
B5.32
C8.27
DNone of these

84 thousands 60 hundreds 15 tens - 16 thousands 82 hundreds 28 tens 19 ones = ____________.

A65561
B65651
C56651
D56561

Sanchi takes 24 mins 25 sec to draw 15 rectangular designs. How long does she take to draw 30 rectangular designs if all are drawn in equal period of time?

A 48 mins 50 sec
B 49 mins 50 sec
C 49 mins 10 sec
D 48 mins 10 sec

Evaluate :

A1.7412
B0.17412
C18.02
D17.412