Advertisements
Advertisements
Question
Multiply: 32 by –21
Advertisements
Solution
32 by –21
= –(32 × 21)
= –672
APPEARS IN
RELATED QUESTIONS
Rita goes 20 km towards east from a point A to the point B. From B, she moves 30 km towards west along the same road. If the distance towards east is represented by a positive integer then, how will you represent the distance travelled towards west? By which integer will you represent her final position from A?
Write all integers between: 0 and 6
Fill in the blanks:
(−9) + 16 = .......
Subtract: 68 from −37
Multiply: –18 by 13
Fill in the blanks:
80 ÷ (......) = −5
Write (T) for true and (F) for false for the following statement:
(−1) ÷ (−1) = −1
Fill in the blank using <, = or > :
–10 ______ –11
Fill in the blank using <, = or > :
–101 ______ –102
Water level in a well was 20 m below ground level. During rainy season, rain water collected in different water tanks was drained into the well and the water level rises 5 m above the previous level. The wall of the well is 1 m 20 cm high and a pulley is fixed at a height of 80 cm. Raghu wants to draw water from the well. The minimum length of the rope that he can use is ______.
