MATHEMATICS COMPUTATION OPERATIONS

COMPARE AND FILL.

568972+24894 ___ 742861+156890

THE PRODUCT OF TWO NUMBERS IS 3133000 . IF ONE OF THEM IS 520, THEN FIND THE OTHER NUMBER.

FIND THE COMMON FACTORS OF 75 AND 90.

___ IS THE SMALLEST PRIME NUMBER.

NUMBERS WHICH HAVE MORE THAN TWO FACTORS ARE CALLED ___ NUMBERS.

H.C.F OF 140 AND 200 IS___.

FIND THE VALUE OF MMDCCCLX-MMDCCLII.

FATHOM IS A UNIT USED BY SAILORS TO MEASURE THE DEPTH OF WATER . IF A SUNKEN SHIP WAS LOCATED UNDERWATER AT 240 FEET, THEN WHICH EXPRESSION WOULD DESCRIBE THE LOCATION OF THE SHIP IN FATHOMS?

(HINT 1 FATHOM = 6 FEET)

WHICH OF THE FOLLOWING NUMBER IS PRIME ?

825431-10254 ___ 754960+2589

IF x+x+y=230 AND y-x=5, THEN WHAT  IS THE VALUE OF y?

y IS TWICE THE DIFFERENCE BETWEEN THE 6^TH MULTIPLE AND THE 10^TH MULTIPLE OF 7 . FIND THE VALUE OF y.

THE QUOTIENT WHEN 222816 IS DIVIDED BY 24 IS ___.

HIGHEST COMMON FACTOR OF 42 AND 162 IS__.

THE NUMBER OF PRIME FACTORS OF 20 ARE __.

FIND THE ESTIMATED SUM OF 205693 AND 356824 BY ROUNDING OFF THE RESULT TO THE  NEAREST HUNDREDS.

A TOTAL OF 18816 TILES WERE USED FOR DECORATING THE ROOMS, KITCHEN AND BATHROOMS OF ALL APARTMENTS IN A BUILDING. EACH BUILDING HAD 2 ROOMS

1 KITCHEN 2 BATHROOMS . THE NUMBER OF TILES USED ARE GIVEN BELOW :

1 KITCHEN=64 TILES, 1 ROOM=84 TILES AND 1 BATHROOM=52 TILES

HOW MANY APARTMENTS ARE THERE IN THE BUILDING?

MACHINE A CAN PRODUCE 7500 BISCUITS IN A DAY ; WHICH IS 240 FEWER THAN WHAT MACHINE B CAN PRODUCE IN A DAY. NOW , 20 BISCUITS  ARE PACKED IN A PACK. IF BOTH MACHINES A AND B ARE USED THEN HOW MANY PACKS OF BISCUITS WILL BE THERE AFTER  7  DAYS?

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