Question
Select the correct combination of mathematical signs
that can sequentially replace the $ signs and make the equation correct. 252 $ 28 $ 17 $ 8 $ 24 $ 121Solution
252 ÷ 28 + 17 x 8 – 24 = 121 9 + 17 x 8 - 24 = 121 9 + 136 – 24 = 121. 121 = 121
23Â Â Â 30Â Â Â Â 44Â Â Â Â 65Â Â Â Â Â 92Â Â Â Â Â 128
1728, 1762, 1804, 1854, 1912, 1978
32, 41, 66, 115, 236, 415
Find the wrong number in the given number series.
548, 532, 568, 510, 604, 460
850, 849, 841, 814, 750, 688
Find the wrong number in the given number series.
6, 24, 120, 720, 5041, 40320
132, 148, 196, 340, 762, 2068
Find the wrong number in the given number series.
630, 180, 60, 24, 12, 8, 5- Find the wrong number in the given number series.
6, 14, 42, 105, 230, 446 4178, 2153, 928, 303, 78, 55Â Â