Challenger App

No.1 PSC Learning App

1M+ Downloads
ക്രിയ ചെയ്യുക 8/5 + 1/7 - 3/10

A35/70

B101/70

C110/70

D120/70

Answer:

B. 101/70

Read Explanation:

8/5 + 1/7 - 3/10 =(112+10-21)/70 =101/70 OR 8/5 + 1/7 - 3/10 = (8 × 7 + 1 × 5)/35 - 3/10 = ( 56 + 5)/35 - 3/10 = 61/35 - 3/10 = ( 61 × 10 - 35 × 3)/( 35 × 10) = ( 610 - 105)/350 = 505/350 = 101/70


Related Questions:

If xy=32\frac{x}{y}=\frac{3}{2} ,then find x2+y2x2y2\frac{x^2+y^2}{x^2-y^2}

If a + 5/3 = 7/4, then find the value of a

123+212+3131\frac23+2\frac12+3\frac13 എത്ര 

-1/3 , -2/9 , -4/3 എന്നീ സംഖ്യകളെ ആരോഹണ ക്രമത്തിൽ എഴുതിയാൽ ശരിയായത് ഏത് ?

If 1518=x6=10y=z30\frac{15}{18} = \frac{x}{6} = \frac{10}{y} = \frac{z}{30}, then what is the value of x+y+z ?