Quantitative Aptitude - Arithmetic Ability Questions

Wheat costing Rs 30/kg, Rs 35/kg and a third variety of wheat are mixed in the ratio of 3 : 4 : 2. If the mixture is costs Rs 34/kg, then what will be the cost (in Rs/kg) of the third variety of wheat?

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

What is the simplified value of 0.072+0.292-0.02030.073+0.293

Determine the value of y-1y2 when y4+1y4=34

What is the value of {sin (90 – x) cos [π – (x – y)]} + {cos (90 – x) sin [π – (y – x)]}?

If cot 60° + cosec 60° = x, then the value of x is

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If S divides PQ in the ratio 1:5 and length of QR is 15 cm, find ST?

Which of the following is correct?