30% of 50% of a number is 15. What is the number?
A80
B75
C90
D100
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25% of 400 + 20% of 325 – 50% of 130 =
ഒരു സംഖ്യയുടെ 3/2 ഭാഗവും അതേ സംഖ്യയുടെ 40% വും കൂട്ടിയാൽ 190 കിട്ടും എങ്കിൽ സംഖ്യ എത്ര?