Select the odd one out.
Meera bought packs of trading cards that contain 10 cards each. She gave 7 cards to her friend.
[[x = Number of packs of trading cards]]
Which expression shows the number of cards left with Meera?
A 10 x - 7
B 7 x - 8
C 5 - 10 x
D 8 - 5 x
Preeti travelled 3x km distance by walk, 9y km by cycle and 5 km by bus. The total distance covered by Preeti is _____.
A (3x - 9y + 5) km
B (3x + 9y + 5) km
C (3x - 9y - 5) km
D (9x + 3y - 5) km
Find the values of P, Q, R and S.
Find the odd one amongst the set of figures of a series.
Sukul is 12th from the right end in a row of students and Ankita is 20th from the left end. After interchanging their positions, Sukul becomes 22nd from the right. How many students are there in the row?
Jaya’s score in Mathematics is 30 more than two third of her score in English. If her score in English is x, find her score in Mathematics.
The order of rotational symmetry in the given figure is .
Subtract - 5308 from the sum
[(- 2100) + (- 2001)].
Highest common factor of 42 and 162 is ____.