(A) M x N ÷ S + T
(B) M x N - S ÷ T
(C) M x S - N ÷ T
(D) M x N x S ÷ T
2/5 of total number of students of a school come by car while 1/4 of students come by bus to school. All the other students walk to school of which 1/3 walk on their own and the rest are escorted by their parents. If 224 students come to school walking on their own, how many students study in that school?
100 cards are placed face down in a line. Alice turns every second one over, starting with the second in line. Brenda then turns over every third card that is still face down (so starts with the fifth card in the line). After this, how many cards remain face down?
The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30 units?
A2658 Square units
B 3591 Square units
C 7865 Square units
D 8234 Square units
The given figure represents a right square pyramid crystal in Prateek's collection. Which best describes all the faces of the pyramid?
A1 square and 4 equilateral triangles
B1 square and 3 equilateral triangles
C1 square and 4 isosceles triangles
D1 square and 3 isosceles triangles
One of the factors of a2 - 2ab - c2 + b2 is ________.
A(a - b + c)
B(a + b + c)
C(a + b - c)
DNone of these