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ഒരു സംഖ്യയുടെ 5/2 ഭാഗവും അതേ സംഖ്യയുടെ 40% വും കൂട്ടിയാൽ 290 കിട്ടും എങ്കിൽ സംഖ്യ എത്ര?

A120

B100

C150

D80

Answer:

B. 100

Read Explanation:

സംഖ്യ X ആയാൽ 5X/2 + X × 40/100 = 290 5X/2 + 2X/5 = 290 (25X + 4X)/10 = 290 29X/10 = 290 X = 290 × 10/29 = 100


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