math and IQ

Which of the following formulae is known as the Herons formulae to calculate the area of the triangle?

• $\frac{1}{2}\ b\times h$

• $\frac{\sqrt{3}}{4\ ^{ }}\ a^2$

• $\sqrt{s\left(s-a\right)\left(s-b\right)\left(s-c\right)}$

• $\frac{b}{4}\sqrt{4a^2-b^2}$

Tags

CCSS.HSG.SRT.D.9

In any triangle ,if the base is doubled and the altitude is treble,then what will be the ratio of areas of original triangle to new triangle?

•  $2:3$ 

•  $1:6$ 

•  $6:1$ 

•  $1:5$ 

Tags

CCSS.6.G.A.1

The radii of two cylinders are in the ratio of 1:2 and heights are in the atio of 2:3. Then the ratio of their volumes is....

• 1:6

• 1:9

• 1:3

• 2:9

In a cylinder X, the radius of base and the height are double of cylinder Y. If the surface area of cylinder Y is A,then the surface area of cylinder X is...........

• A

• 2A

• 4A

• 8A

If a cylindrical log having equal height and radius displaces 134.75 litres of water, what is the radius of the log?

• 7cm

• 14cm

• 21cm

• 35cm

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

37, 34, 31, 28

Which number should come next in the pattern?

• 24

• 25

• 23

• 27

Tags

CCSS.2.NBT.A.2

If you are in a race and you pass the person in second place what place are you in?

• 1st

• 2nd

• 3rd

• 4th

Tags

CCSS.6.EE.B.6

564738273472834

481936237225455

backwards is

• 77465626354354

  36545362153673

  537

• 55467654544432

  56865654323232

  567

• 55467654544432

  56865654324632

  567

• 5545227326391

  48438274372837

  465

Tags

CCSS.4.NBT.A.2

If a store sold 25 pairs of socks, making a 25% profit of $150, how much did they charge for each pair?

• 30$

• 15$

• 20$

• 24$

Tags

CCSS.6.RP.A.3C

Angie’s profits for March totaled $5400. If she profited nine times more in March than in April, what were April’s profits?

• 700$

• 48600$

• 600$

• 900$

Tags

CCSS.4.OA.A.2