Tech Mahindra Company Numerical Ability Alligation or Mixture

In what ratio mental A at Rs.68 per kg be mixed with another metal at Rs.96 per kg so that cost of alloy (mixture) is Rs.78 per kg?

a) 5:8
b) 4:7
c) 3:7
d) 9:5

Read Solution (Total 3)

96-78:78-68=9:5
8 years agoHelpfull: Yes(3) No(0)

(96-78)/(78-68)=18/10=9/5
8 years agoHelpfull: Yes(3) No(0)
d) 9:5
68 96
78
( 96-78) (78-68)
18 : 10 ==> 9:5
8 years agoHelpfull: Yes(2) No(0)

Tech Mahindra Other Question

Ashok has Rs.1000, He invests a part of it at 3% per annum and remainder at 8% per annum, He earns Rs.100 in 2 years. Find the sum invested at different rates of interest?

a) Rs.5000, Rs.500
b) Rs.600, Rs.400
c) Rs.700, Rs.300
d) Rs.300, Rs.700 In what ratio must rice of Rs.16 per kg be mixed with rice of Rs.24 per kg so that cost of mixture is Rs.18 per kg?

a) 4:1
b) 2:1
c) 3:1
d) 4:3